{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,3]],"date-time":"2026-10-03T21:17:15Z","timestamp":1791062235532,"version":"4.1.0"},"reference-count":38,"publisher":"Wiley","issue":"10","license":[{"start":{"date-parts":[[2006,9,11]],"date-time":"2006-09-11T00:00:00Z","timestamp":1157932800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Tropical Med Int Health"],"published-print":{"date-parts":[[2006,10]]},"abstract":"<jats:title>Summary<\/jats:title><jats:p><jats:bold>Objective\u2002<\/jats:bold> To explore the relationship between calendar month of administration and antibody (Ab) response to vaccination in subjects from The Gambia and Pakistan, two countries with distinct patterns of seasonality.<\/jats:p><jats:p><jats:bold>Methods\u2002<\/jats:bold> Three cohorts were investigated: Responses to rabies and pneumococcal vaccine were assessed in 472 children (mean age 8\u2003years, males 53%) from rural Gambia. Responses to tetanus, diphtheria and hepatitis B (HBsAg) were investigated in 138 infants also from The Gambia (birth to 52\u2003weeks of age, males 54%). Responses to rabies and Vi typhoid vaccines were assessed in 257 adults from Lahore, Pakistan (mean age 29.4\u2003years, males 57%).<\/jats:p><jats:p><jats:bold>Results\u2002<\/jats:bold> In Gambian children, significant associations were observed between month of vaccination and Ab response for the pneumococcal and rabies vaccines. As no consistent pattern by month was observed between the responses, it is assumed that different immunomodulatory stimuli or mechanisms were involved. In Pakistani adults, a significant pattern by month of vaccination was observed with both rabies and typhoid vaccine. No monthly influences were observed in the infant study to the tetanus, diphtheria or the HbsAg vaccines.<\/jats:p><jats:p><jats:bold>Conclusions\u2002<\/jats:bold> Antibody responses to certain specific vaccines are influenced by month of administration. Further research is required to elucidate the precise mechanisms explaining these observations, but a co\u2010stimulatory effect of seasonally variable environmental antigens is a likely cause. Future studies of Ab response to vaccination in countries with a seasonally dependent environment should consider month of vaccination when interpreting study findings.<\/jats:p>","DOI":"10.1111\/j.1365-3156.2006.01700.x","type":"journal-article","created":{"date-parts":[[2006,9,11]],"date-time":"2006-09-11T11:02:03Z","timestamp":1157972523000},"page":"1529-1541","source":"Crossref","is-referenced-by-count":46,"title":["Effect of month of vaccine administration on antibody responses in The Gambia and Pakistan"],"prefix":"10.1111","volume":"11","author":[{"given":"Sophie E.","family":"Moore","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Andrew C.","family":"Collinson","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Anthony J.C.","family":"Fulford","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Fehmida","family":"Jalil","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Claire\u2010Anne","family":"Siegrist","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"David","family":"Goldblatt","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lars \u00c5.","family":"Hanson","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Andrew M.","family":"Prentice","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2006,9,11]]},"reference":[{"key":"e_1_2_6_2_1","volume-title":"Micronutrient Approaches to Improve the Nutritional Status of Women and Young Children. 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