Immunity to hepatitis A when outbreaks of infection in men who have sex with men (MSM) are rare

Highlights ► Hepatitis A is rare in MSM in Victoria but immunity levels are unknown. ► This study was a retrospective analysis of MSM 12,064 attending a clinic. ► About 40% of MSM had antibodies to hepatitis A. ► About 50% of MSM had a record of past hepatitis A vaccine. ► To prevent further outbrea...

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Veröffentlicht in:	Vaccine 2012-05, Vol.30 (23), p.3430-3434
Hauptverfasser:	Weerakoon, Ajith P, Chen, Marcus Y, Read, Tim R.H, Bradshaw, Catriona, Fairley, Christopher K
Format:	Artikel
Sprache:	eng
Schlagworte:	Adolescent Adult Age Aged Aged, 80 and over Allergy and Immunology Antibodies confidence interval Confidence intervals Disease Notification - statistics & numerical data Disease Outbreaks Epidemics Female Health risk assessment Hepatitis Hepatitis A Hepatitis A - epidemiology Hepatitis A - immunology Hepatitis A Antibodies - blood Hepatitis A Vaccines - administration & dosage Homosexuality, Male Humans Immunity Infection Infections Male Medical records Men Men who have sex with men (MSM) Mens health Middle Aged odds ratio Outbreaks Population Retrospective Studies Sex Vaccination Vaccination - statistics & numerical data Vaccination coverage vaccines Victoria - epidemiology Young Adult
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Beschreibung
Zusammenfassung:	Highlights ► Hepatitis A is rare in MSM in Victoria but immunity levels are unknown. ► This study was a retrospective analysis of MSM 12,064 attending a clinic. ► About 40% of MSM had antibodies to hepatitis A. ► About 50% of MSM had a record of past hepatitis A vaccine. ► To prevent further outbreaks, levels of immunity should be maintained above 40–50%.
ISSN:	0264-410X 1873-2518
DOI:	10.1016/j.vaccine.2012.03.024