{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,3]],"date-time":"2026-08-03T19:58:10Z","timestamp":1785787090162,"version":"3.56.0"},"reference-count":64,"publisher":"Elsevier BV","license":[{"start":{"date-parts":[[2020,10,1]],"date-time":"2020-10-01T00:00:00Z","timestamp":1601510400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2020,10,1]],"date-time":"2020-10-01T00:00:00Z","timestamp":1601510400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/legal\/tdmrep-license"}],"funder":[{"DOI":"10.13039\/501100004912","name":"Sichuan University","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100004912","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100004829","name":"Department of Science and Technology of Sichuan Province","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100004829","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["clinicalkey.com","clinicalkey.com.au","clinicalkey.es","clinicalkey.fr","clinicalkey.jp","elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["Medical Hypotheses"],"published-print":{"date-parts":[[2020,10]]},"DOI":"10.1016\/j.mehy.2020.109842","type":"journal-article","created":{"date-parts":[[2020,5,15]],"date-time":"2020-05-15T14:23:43Z","timestamp":1589552623000},"page":"109842","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":28,"special_numbering":"C","title":["Reflection on lower rates of COVID-19 in children: Does childhood immunizations offer unexpected protection?"],"prefix":"10.1016","volume":"143","author":[{"given":"Jinglu","family":"Lyu","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tianyu","family":"Miao","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jiajia","family":"Dong","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ranran","family":"Cao","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yan","family":"Li","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Qianming","family":"Chen","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"78","reference":[{"key":"10.1016\/j.mehy.2020.109842_b0005","unstructured":"who-china-joint-mission-on-covid-19-final-report.pdf. https:\/\/www.who.int\/docs\/default-source\/coronaviruse\/who-china-joint-mission-on-covid-19-final-report.pdf."},{"key":"10.1016\/j.mehy.2020.109842_b0010","doi-asserted-by":"crossref","unstructured":"H. Yu, J. Shao, Y. Guo et al., Data-driven discovery of clinical routes for severity detection in COVID-19 pediatric cases, medRxiv (2020), p. 2020.2003.2009.20032219.","DOI":"10.1101\/2020.03.09.20032219"},{"key":"10.1016\/j.mehy.2020.109842_b0015","doi-asserted-by":"crossref","unstructured":"A. Tang, W. Xu, M. Shen et al., A retrospective study of the clinical characteristics of COVID-19 infection in 26 children, medRxiv (2020), p. 2020.2003.2008.20029710.","DOI":"10.1101\/2020.03.08.20029710"},{"key":"10.1016\/j.mehy.2020.109842_b0020","doi-asserted-by":"crossref","first-page":"293","DOI":"10.1159\/000078174","article-title":"SARS in newborns and children","volume":"85","author":"Ng","year":"2004","journal-title":"Biol Neonate"},{"issue":"2020","key":"10.1016\/j.mehy.2020.109842_b0025","first-page":"727","article-title":"A novel coronavirus from patients with pneumonia in China","volume":"382","author":"Zhu","year":"2019","journal-title":"N Engl J Med"},{"key":"10.1016\/j.mehy.2020.109842_b0030","doi-asserted-by":"crossref","DOI":"10.1001\/jama.2020.2783","article-title":"Positive RT-PCR test results in patients recovered from COVID-19","author":"Lan","year":"2020","journal-title":"JAMA"},{"key":"10.1016\/j.mehy.2020.109842_b0035","doi-asserted-by":"crossref","unstructured":"Yuan J, Kou S, Liang Y, Zeng J, Pan Y, Liu L, Clinical Characteristics on 25 Discharged Patients with COVID-19 Virus Returning, medRxiv (2020), p. 2020.2003.2006.20031377.","DOI":"10.1101\/2020.03.06.20031377"},{"key":"10.1016\/j.mehy.2020.109842_b0040","doi-asserted-by":"crossref","unstructured":"Guo X, Guo Z, Duan C et al., Long-Term Persistence of IgG Antibodies in SARS-CoV Infected Healthcare Workers, medRxiv (2020), p. 2020.2002.2012.20021386.","DOI":"10.1101\/2020.02.12.20021386"},{"key":"10.1016\/j.mehy.2020.109842_b0045","first-page":"295","article-title":"Consecutive five-year follow-up analysis of specific IgG antibody of 22 cases of SARS patients after recovery","volume":"26","author":"Wang","year":"2010","journal-title":"Bing du xue bao = Chin J Virol"},{"key":"10.1016\/j.mehy.2020.109842_b0050","first-page":"740","article-title":"Prospective 2-year clinical study of patients with positive IgG-antibodies after recovering from severe acute respiratory syndrome","volume":"17","author":"Yin","year":"2005","journal-title":"Zhongguo wei zhong bing ji jiu yi xue = Chinese critical care medicine = Zhongguo weizhongbing jijiuyixue"},{"key":"10.1016\/j.mehy.2020.109842_b0055","doi-asserted-by":"crossref","first-page":"497","DOI":"10.1016\/S0140-6736(20)30183-5","article-title":"Clinical features of patients infected with 2019 novel coronavirus in Wuhan, China","volume":"395","author":"Huang","year":"2020","journal-title":"Lancet"},{"key":"10.1016\/j.mehy.2020.109842_b0060","doi-asserted-by":"crossref","DOI":"10.1056\/NEJMc2003717","article-title":"Detection of Covid-19 in Children in Early January 2020 in Wuhan, China","author":"Liu","year":"2020","journal-title":"N Engl J Med"},{"key":"10.1016\/j.mehy.2020.109842_b0065","doi-asserted-by":"crossref","DOI":"10.1007\/s12519-020-00345-5","article-title":"Diagnosis and treatment recommendations for pediatric respiratory infection caused by the 2019 novel coronavirus","author":"Chen","year":"2020","journal-title":"World J Pediatr"},{"key":"10.1016\/j.mehy.2020.109842_b0070","doi-asserted-by":"crossref","first-page":"51","DOI":"10.21037\/tp.2020.02.06","article-title":"Clinical analysis of 10 neonates born to mothers with 2019-nCoV pneumonia","volume":"9","author":"Zhu","year":"2020","journal-title":"Transl Pediatrics"},{"key":"10.1016\/j.mehy.2020.109842_b0075","doi-asserted-by":"crossref","first-page":"68","DOI":"10.1097\/01.inf.0000247136.28950.41","article-title":"Severe acute respiratory syndrome in children","volume":"26","author":"Stockman","year":"2007","journal-title":"Pediatr Infect Dis J"},{"key":"10.1016\/j.mehy.2020.109842_b0080","unstructured":"National recommendations for diagnosis and treatment of pneumonia caused by 2019-nCoV (7th trial version, in Chinese) http:\/\/www.nhc.gov.cn\/yzygj\/s7653p\/202003\/46c9294a7dfe4cef80dc7f5912eb1989\/files\/ce3e6945832a438eaae415350a8ce964.pdf."},{"key":"10.1016\/j.mehy.2020.109842_b0085","doi-asserted-by":"crossref","DOI":"10.1056\/NEJMoa2002032","article-title":"Clinical characteristics of coronavirus disease 2019 in China","author":"Guan","year":"2020","journal-title":"N Engl J Med"},{"key":"10.1016\/j.mehy.2020.109842_b0090","doi-asserted-by":"crossref","DOI":"10.1001\/jama.2020.2648","article-title":"Characteristics of and important lessons from the coronavirus disease 2019 (COVID-19) Outbreak in China: summary of a report of 72 314 cases from the Chinese Center for disease control and prevention","author":"Wu","year":"2020","journal-title":"JAMA"},{"key":"10.1016\/j.mehy.2020.109842_b0095","doi-asserted-by":"crossref","unstructured":"Hu Z, Song C, Xu C et al., Clinical Characteristics of 24 Asymptomatic Infections with COVID-19 Screened among Close Contacts in Nanjing, China, medRxiv (2020), p. 2020.2002.2020.20025619.","DOI":"10.1101\/2020.02.20.20025619"},{"key":"10.1016\/j.mehy.2020.109842_b0100","unstructured":"T. Novel Coronavirus Pneumonia Emergency Response Epidemiology, The epidemiological characteristics of an outbreak of 2019 novel coronavirus diseases (COVID-19) in China, Zhonghua Liu Xing Bing Xue Za Zhi 41 (2020), pp. 145-151."},{"key":"10.1016\/j.mehy.2020.109842_b0105","doi-asserted-by":"crossref","unstructured":"Chen X, Ling J, Mo P et al., Restoration of leukomonocyte counts is associated with viral clearance in COVID-19 hospitalized patients, medRxiv (2020), p. 2020.2003.2003.20030437.","DOI":"10.1101\/2020.03.03.20030437"},{"key":"10.1016\/j.mehy.2020.109842_b0110","article-title":"A rapid advice guideline for the diagnosis and treatment of 2019 novel coronavirus (2019-nCoV) infected pneumonia (standard version)","volume":"7","author":"Jin","year":"2020","journal-title":"Mil Med Res"},{"key":"10.1016\/j.mehy.2020.109842_b0115","doi-asserted-by":"crossref","first-page":"690","DOI":"10.3389\/fimmu.2019.00690","article-title":"Editorial: orchestration of an immune response to respiratory pathogens","volume":"10","author":"Varga","year":"2019","journal-title":"Front Immunol"},{"key":"10.1016\/j.mehy.2020.109842_b0120","doi-asserted-by":"crossref","unstructured":"Wan S, Yi Q, Fan S et al., Characteristics of lymphocyte subsets and cytokines in peripheral blood of 123 hospitalized patients with 2019 novel coronavirus pneumonia (NCP), medRxiv (2020), p. 2020.2002.2010.20021832.","DOI":"10.1101\/2020.02.10.20021832"},{"key":"10.1016\/j.mehy.2020.109842_b0125","doi-asserted-by":"crossref","DOI":"10.1016\/S2213-2600(20)30076-X","article-title":"Pathological findings of COVID-19 associated with acute respiratory distress syndrome","author":"Xu","year":"2020","journal-title":"Lancet Respir Med"},{"key":"10.1016\/j.mehy.2020.109842_b0130","doi-asserted-by":"crossref","unstructured":"Liao M, Liu Y, Yuan J et al., The landscape of lung bronchoalveolar immune cells in COVID-19 revealed by single-cell RNA sequencing, medRxiv (2020), p. 2020.2002.2023.20026690.","DOI":"10.1101\/2020.02.23.20026690"},{"key":"10.1016\/j.mehy.2020.109842_b0135","unstructured":"Procedures and instructions of national immunization programm for children, 2016 edition (in Chinese, 2016 December 29th). http:\/\/www.nhc.gov.cn\/jkj\/s3581\/201701\/a91fa2f3f9264cc186e1dee4b1f24084.shtml."},{"key":"10.1016\/j.mehy.2020.109842_b0140","doi-asserted-by":"crossref","first-page":"3973","DOI":"10.4049\/jimmunol.137.12.3973","article-title":"Human and murine cytotoxic T cells specific to respiratory syncytial virus recognize the viral nucleoprotein (N), but not the major glycoprotein (G), expressed by vaccinia virus recombinants","volume":"137","author":"Bangham","year":"1986","journal-title":"J Immunol (Baltimore Md. : 1950)"},{"key":"10.1016\/j.mehy.2020.109842_b0145","doi-asserted-by":"crossref","first-page":"1049","DOI":"10.1093\/infdis\/jix070","article-title":"Respiratory syncytial virus (RSV) infects CD4+ T cells: frequency of circulating CD4+ RSV+ T cells as a marker of disease severity in young children","volume":"215","author":"Raiden","year":"2017","journal-title":"J Infect Dis"},{"key":"10.1016\/j.mehy.2020.109842_b0150","unstructured":"Schmidt ME, Varga SM. Cytokines and CD8 T cell immunity during respiratory syncytial virus infection, Cytokine (2018), pp. S1043-4666(1018)30297-30297."},{"key":"10.1016\/j.mehy.2020.109842_b0155","doi-asserted-by":"crossref","DOI":"10.1056\/NEJMc2001737","article-title":"SARS-CoV-2 viral load in upper respiratory specimens of infected patients","author":"Zou","year":"2020","journal-title":"N Engl J Med"},{"key":"10.1016\/j.mehy.2020.109842_b0160","doi-asserted-by":"crossref","DOI":"10.1016\/S0140-6736(20)30211-7","article-title":"Epidemiological and clinical characteristics of 99 cases of 2019 novel coronavirus pneumonia in Wuhan, China: a descriptive study","author":"Chen","year":"2020","journal-title":"Lancet"},{"key":"10.1016\/j.mehy.2020.109842_b0165","doi-asserted-by":"crossref","first-page":"507","DOI":"10.1016\/S0140-6736(20)30211-7","article-title":"Epidemiological and clinical characteristics of 99 cases of 2019 novel coronavirus pneumonia in Wuhan, China: a descriptive study","volume":"395","author":"Chen","year":"2020","journal-title":"Lancet"},{"key":"10.1016\/j.mehy.2020.109842_b0170","doi-asserted-by":"crossref","DOI":"10.1038\/s41368-019-0045-2","article-title":"Salivary mycobiome dysbiosis and its potential impact on bacteriome shifts and host immunity in oral lichen planus","volume":"11","author":"Li","year":"2019","journal-title":"Int J Oral Sci"},{"key":"10.1016\/j.mehy.2020.109842_b0175","first-page":"1","article-title":"Experts opinion on the laboratory diagnosis and treatment of invasive fungal infection secondary to severe novel coronavirus pneumonia (in Chinese)","volume":"15","author":"Yu","year":"2020","journal-title":"Chin J Mycol"},{"key":"10.1016\/j.mehy.2020.109842_b0180","doi-asserted-by":"crossref","first-page":"F461","DOI":"10.1136\/adc.2005.075309","article-title":"Severe acute respiratory syndrome (SARS) in neonates and children","volume":"90","author":"Li","year":"2005","journal-title":"Arch Dis Child Fetal Neonatal Ed"},{"key":"10.1016\/j.mehy.2020.109842_b0185","doi-asserted-by":"crossref","first-page":"19840","DOI":"10.1038\/srep19840","article-title":"Angiotensin-converting enzyme 2 inhibits lung injury induced by respiratory syncytial virus","volume":"6","author":"Gu","year":"2016","journal-title":"Sci Rep"},{"key":"10.1016\/j.mehy.2020.109842_b0190","doi-asserted-by":"crossref","DOI":"10.1038\/ncomms4594","article-title":"Angiotensin-converting enzyme 2 protects from lethal avian influenza A H5N1 infections","volume":"5","author":"Zou","year":"2014","journal-title":"Nat Commun"},{"key":"10.1016\/j.mehy.2020.109842_b0195","doi-asserted-by":"crossref","DOI":"10.1038\/srep07027","article-title":"Angiotensin-converting enzyme 2 (ACE2) mediates influenza H7N9 virus-induced acute lung injury","volume":"4","author":"Yang","year":"2014","journal-title":"Sci Rep"},{"key":"10.1016\/j.mehy.2020.109842_b0200","unstructured":"Li M, Wang J. Prospect of ambroxol in the treatment of COVID-2019 The Chinese Journal of Clinical Pharmacology (in Chinese, Epub ahead of print, 2020 February 2nd) http:\/\/kns.cnki.net\/kcms\/detail\/11.2220.R.20200223.2334.002.html, ."},{"key":"10.1016\/j.mehy.2020.109842_b0205","unstructured":"Yang X, Zhao X. Associativity from Children with 2019 Novel Coronavirus Disease Journal of Pediatric Pharmacy (in Chinese, Epub ahead of print, 2020 March 10th) http:\/\/kns.cnki.net\/kcms\/detail\/50.1156.R.20200309.0900.002.html, (2020)."},{"key":"10.1016\/j.mehy.2020.109842_b0210","doi-asserted-by":"crossref","first-page":"355","DOI":"10.1016\/j.chom.2011.04.006","article-title":"Trained immunity: a memory for innate host defense","volume":"9","author":"Netea","year":"2011","journal-title":"Cell Host Microbe"},{"key":"10.1016\/j.mehy.2020.109842_b0215","doi-asserted-by":"crossref","DOI":"10.1126\/science.aaf1098","article-title":"Trained immunity: a program of innate immune memory in health and disease","volume":"352","author":"Netea","year":"2016","journal-title":"Science"},{"key":"10.1016\/j.mehy.2020.109842_b0220","doi-asserted-by":"crossref","first-page":"973","DOI":"10.1084\/jem.129.5.973","article-title":"The influence of immunologically committed lymphoid cells on macrophage activity in vivo","volume":"129","author":"Mackaness","year":"1969","journal-title":"J Exp Med"},{"key":"10.1016\/j.mehy.2020.109842_b0225","doi-asserted-by":"crossref","first-page":"1583","DOI":"10.1084\/jem.20031051","article-title":"Memory CD8+ T cells provide innate immune protection against Listeria monocytogenes in the absence of cognate antigen","volume":"198","author":"Berg","year":"2003","journal-title":"J Exp Med"},{"key":"10.1016\/j.mehy.2020.109842_b0230","doi-asserted-by":"crossref","first-page":"417","DOI":"10.1038\/nri820","article-title":"No one is naive: the significance of heterologous T-cell immunity","volume":"2","author":"Welsh","year":"2002","journal-title":"Nat Rev Immunol"},{"key":"10.1016\/j.mehy.2020.109842_b0235","doi-asserted-by":"crossref","unstructured":"Miller A, Reandelar MJ, Fasciglione K, Roumenova V, Li Y, Otazu GH. Correlation between universal BCG vaccination policy and reduced morbidity and mortality for COVID-19: an epidemiological study, medRxiv (2020), p. 2020.2003.2024.20042937.","DOI":"10.1101\/2020.03.24.20042937"},{"key":"10.1016\/j.mehy.2020.109842_b0240","doi-asserted-by":"crossref","DOI":"10.1038\/s41591-020-0817-4","article-title":"Characteristics of pediatric SARS-CoV-2 infection and potential evidence for persistent fecal viral shedding","author":"Xu","year":"2020","journal-title":"Nat Med"},{"key":"10.1016\/j.mehy.2020.109842_b0245","article-title":"Clinical findings in a group of patients infected with the 2019 novel coronavirus (SARS-Cov-2) outside of Wuhan, China: retrospective case series","volume":"368","author":"Xu","year":"2020","journal-title":"BMJ"},{"key":"10.1016\/j.mehy.2020.109842_b0250","doi-asserted-by":"crossref","DOI":"10.1371\/journal.ppat.1006678","article-title":"Single-cell analysis identifies cellular markers of the HIV permissive cell","volume":"13","author":"Rato","year":"2017","journal-title":"PLoS Pathog"},{"key":"10.1016\/j.mehy.2020.109842_b0255","doi-asserted-by":"crossref","DOI":"10.1126\/sciimmunol.aan8664","article-title":"Precursors of human CD4(+) cytotoxic T lymphocytes identified by single-cell transcriptome analysis","volume":"3","author":"Patil","year":"2018","journal-title":"Sci Immunol"},{"key":"10.1016\/j.mehy.2020.109842_b0260","doi-asserted-by":"crossref","DOI":"10.1038\/s41467-018-07492-4","article-title":"Single-cell RNA sequencing unveils an IL-10-producing helper subset that sustains humoral immunity during persistent infection","volume":"9","author":"Xin","year":"2018","journal-title":"Nat Commun"},{"key":"10.1016\/j.mehy.2020.109842_b0265","doi-asserted-by":"crossref","DOI":"10.1016\/j.cell.2020.11.032","article-title":"Structure, function, and antigenicity of the SARS-CoV-2 spike glycoprotein","author":"Walls","year":"2020","journal-title":"Cell"},{"key":"10.1016\/j.mehy.2020.109842_b0270","unstructured":"Si Jh, Tan Jj, Yang G, Tang Lx. Some medical staff positive for serum SARS coronavirus antibody IgG have only mild symptoms, Nan fang yi ke da xue xue bao = Journal of Southern Medical University 26 (2006), pp. 220-221."},{"key":"10.1016\/j.mehy.2020.109842_b0275","first-page":"950","article-title":"Study on the dynamic prevalence of serum antibody against severe acute respiratory syndrome coronavirus in employees from wild animal market in Guangzhou","volume":"27","author":"Xu","year":"2006","journal-title":"Zhonghua Liu Xing Bing Xue Za Zhi"},{"key":"10.1016\/j.mehy.2020.109842_b0280","first-page":"217","article-title":"Determination and comparison of anti-SARS antibody in children and adults","volume":"12","author":"Liu","year":"2004","journal-title":"Zhongguo Shi Yan Xue Ye Xue Za Zhi"},{"key":"10.1016\/j.mehy.2020.109842_b0285","first-page":"840","article-title":"A preliminary investigation on the serological and epidemiological characteristics of severe acute respiratory syndrome in children","volume":"42","author":"Cao","year":"2004","journal-title":"Zhonghua Er Ke Za Zhi"},{"key":"10.1016\/j.mehy.2020.109842_b0290","first-page":"1085","article-title":"Detection and analysis of SARS coronavirus-specific antibodies in sera from non-SARS children","volume":"23","author":"Li","year":"2003","journal-title":"Di Yi Jun Yi Da Xue Xue Bao"},{"key":"10.1016\/j.mehy.2020.109842_b0295","first-page":"262","article-title":"Serological analysis of SARS Coronavirus in children diagnosed clinically as severe acute respiratory syndrome cases during SARS epidemic in Beijing","volume":"44","author":"Zhao","year":"2006","journal-title":"Zhonghua Er Ke Za Zhi"},{"key":"10.1016\/j.mehy.2020.109842_b0300","unstructured":"C. National Health Committee of the People's Republic of. New research from scientific research unit shows that SARS antibodies are found in 40% of children (in Chinese). http:\/\/www.nhc.gov.cn\/wjw\/zcjd\/201304\/706f5fa3371d44228b757aeee1904d14.shtml files\/18\/706f5fa3371d44228b757aeee1904d14.html."},{"key":"10.1016\/j.mehy.2020.109842_b0305","doi-asserted-by":"crossref","unstructured":"R.L. Kruse, Therapeutic strategies in an outbreak scenario to treat the novel coronavirus originating in Wuhan, China, F1000Res 9 (2020), pp. 72-72.","DOI":"10.12688\/f1000research.22211.1"},{"key":"10.1016\/j.mehy.2020.109842_b0310","doi-asserted-by":"crossref","DOI":"10.1016\/j.cell.2020.11.032","article-title":"Structure, function, and antigenicity of the SARS-CoV-2 spike glycoprotein","author":"Walls","year":"2020","journal-title":"Cell"},{"key":"10.1016\/j.mehy.2020.109842_b0315","unstructured":"Sun C, Qiu X, Gao Y, Zhang L, Li N, Liu K. Exploring preventive measures for COVID-19 based on the existing virus vaccines Shandong Science (in Chinese, Epub ahead of print, 2020 March 3rd) http:\/\/kns.cnki.net\/kcms\/detail\/37.1188.N.20200303.1027.002.html."},{"key":"10.1016\/j.mehy.2020.109842_b0320","unstructured":"Can a century-old TB vaccine steel the immune system against the new coronavirus? | Science | AAAS. https:\/\/www.sciencemag.org\/news\/2020\/03\/can-century-old-tb-vaccine-steel-immune-system-against-new-coronavirus files\/2\/can-century-old-tb-vaccine-steel-immune-system-against-new-coronavirus.html."}],"container-title":["Medical Hypotheses"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0306987720305090?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0306987720305090?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2025,10,5]],"date-time":"2025-10-05T19:20:37Z","timestamp":1759692037000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S0306987720305090"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2020,10]]},"references-count":64,"alternative-id":["S0306987720305090"],"URL":"https:\/\/doi.org\/10.1016\/j.mehy.2020.109842","relation":{},"ISSN":["0306-9877"],"issn-type":[{"value":"0306-9877","type":"print"}],"subject":[],"published":{"date-parts":[[2020,10]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"Reflection on lower rates of COVID-19 in children: Does childhood immunizations offer unexpected protection?","name":"articletitle","label":"Article Title"},{"value":"Medical Hypotheses","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/j.mehy.2020.109842","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"\u00a9 2020 Elsevier Ltd. All rights reserved.","name":"copyright","label":"Copyright"}],"article-number":"109842"}}