Initial results on how COVID-19 spreads within Dutch families The novel coronavirus is primarily spread amongst adults who are about the same age. Within families, the virus is mainly transmitted from adults to children.
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