Clear impact achieved by national measures to combat the COVID-19 epidemic To monitor the effect of the measures against the spread of the novel coronavirus, the time when reported COVID-19 patients became ill was examined.
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