Amount of greenhouse gases in atmosphere reaches record high The concentrations of the 43 most important greenhouse gases are at unprecedented, record-high levels compared to the last higher than ever in the past 800,000 years.
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