Background: The duration of protection after hepatitis B vaccination of infants is unknown. Methods: We determined antibody to hepatitis B surface antigen (anti-HBs) at 4-13 years of age in 363 low ...

A recent study published in the medRxiv* preprint server estimated the duration of protection with monovalent vaccination and the efficacy of bivalent vaccine boosters against hospitalization due to ...

More than 43 years ago, many Chinese residents were vaccinated with the vaccinia virus Tiantan strain (VTT) to protect them from smallpox infection. Study: Duration of humoral immunity from smallpox ...

Please provide your email address to receive an email when new articles are posted on . Nirsevimab may offer protection for a period longer than a typical 5-month RSV season. Further investigation is ...