{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,14]],"date-time":"2026-03-14T15:06:21Z","timestamp":1773500781475,"version":"3.50.1"},"reference-count":25,"publisher":"FapUNIFESP (SciELO)","issue":"0","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Rev. Sa\u00fade P\u00fablica"],"published-print":{"date-parts":[[2015]]},"abstract":"<jats:p>OBJECTIVE To evaluate if temperature and humidity influenced the etiology of bloodstream infections in a hospital from 2005 to 2010.METHODS The study had a case-referent design. Individual cases of bloodstream infections caused by specific groups or pathogens were compared with several references. In the first analysis, average temperature and humidity values for the seven days preceding collection of blood cultures were compared with an overall \u201cseven-days moving average\u201d for the study period. The second analysis included only patients with bloodstream infections. Several logistic regression models were used to compare different pathogens and groups with respect to the immediate weather parameters, adjusting for demographics, time, and unit of admission.RESULTS Higher temperatures and humidity were related to the recovery of bacteria as a whole (versus fungi) and of gram-negative bacilli. In the multivariable models, temperature was positively associated with the recovery of gram-negative bacilli (OR = 1.14; 95%CI 1.10;1.19) or Acinetobacter baumannii (OR = 1.26; 95%CI 1.16;1.37), even after adjustment for demographic and admission data. An inverse association was identified for humidity.CONCLUSIONS The study documented the impact of temperature and humidity on the incidence and etiology of bloodstream infections. The results correspond with those from ecological studies, indicating a higher incidence of gram-negative bacilli during warm seasons. These findings should guide policies directed at preventing and controlling healthcare-associated infections.<\/jats:p>","DOI":"10.1590\/s0034-8910.2015049005438","type":"journal-article","created":{"date-parts":[[2015,3,29]],"date-time":"2015-03-29T09:06:16Z","timestamp":1427619976000},"source":"Crossref","is-referenced-by-count":9,"title":["Weather parameters and nosocomial bloodstream infection: a case-referent study"],"prefix":"10.1590","volume":"49","author":[{"given":"Silvia Maria","family":"Caldeira","sequence":"first","affiliation":[{"name":"Universidade Estadual Paulista,  Brasil; Universidade Estadual Paulista,  Brasil"}]},{"given":"Antonio Ribeiro da","family":"Cunha","sequence":"additional","affiliation":[{"name":"Universidade Estadual Paulista,  Brasil"}]},{"given":"Renata Tamie","family":"Akazawa","sequence":"additional","affiliation":[{"name":"Universidade Estadual Paulista,  Brasil"}]},{"given":"Rayana Gon\u00e7alves","family":"Moreira","sequence":"additional","affiliation":[{"name":"Universidade Estadual Paulista,  Brasil"}]},{"given":"Lenice do Ros\u00e1rio de","family":"Souza","sequence":"additional","affiliation":[{"name":"Universidade Estadual Paulista,  Brasil"}]},{"given":"Carlos Magno Castelo Branco","family":"Fortaleza","sequence":"additional","affiliation":[{"name":"Universidade Estadual Paulista,  Brasil"}]}],"member":"530","reference":[{"issue":"9761","key":"ref1","doi-asserted-by":"crossref","first-page":"228","DOI":"10.1016\/S0140-6736(10)61458-4","article-title":"Burden of endemic health-care-associated infection in developing countries: systematic review and meta-analysis","volume":"377","author":"Allegranzi B","year":"2011","journal-title":"Lancet"},{"issue":"8","key":"ref2","doi-asserted-by":"crossref","first-page":"1008","DOI":"10.1016\/j.burns.2007.03.003","article-title":"Five-year review of infections in a burn intensive care unit: High incidence of Acinetobacter baumannii in a tropical climate","volume":"33","author":"Chim H","year":"2007","journal-title":"Burns"},{"issue":"10","key":"ref3","doi-asserted-by":"crossref","first-page":"901","DOI":"10.1086\/591741","article-title":"Society for Healthcare Epidemiology of America and the Healthcare Infection Control Practices Advisory Committee. 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