https://www.selleckchem.com/pr....oducts/terephthalic-
of five years or more. Peak anti-HBs level after vaccination was associated with the long-term persistence of immunogenicity. In South Korea, one-dose varicella vaccination was introduced to the National Immunization Program in 2005, but varicella outbreaks have continued to occur. Therefore, a two-dose vaccination strategy is considered. We developed an age-structured deterministic compartment model using Korean population projection data. The impact of adding a second dose of varicella vaccine on varicella and herpes zoster