Single vaccination after COVID-19 infection within the past six months Starting today, people who tested positive for COVID-19 in the past six months can indicate when scheduling a vaccination appointment that they only want one vaccine dose.
New RIVM-method used to detect influenza A (H7H9) population immunity The level of immunity to the recently circulating H7N9 influenza virus in an urban and rural population in Vietnam is very low, according to the first population level study to examine human immuni