Background
Recent media reports raised concerns regarding an increase in human metapneumovirus (hMPV) cases in China. This document aims to provide a summary of the current respiratory infection season in China and provide a brief overview of hMPV.
Introduction
In the northern hemisphere, trends in acute respiratory infections (ARI) increase at this time of the year due to the winter season. These ARI are typically caused by seasonal influenza, respiratory syncytial virus (RSV), other common respiratory viruses including hMPV, and bacteria such as Mycoplasmoides pneumoniae (formerly Mycoplasma pneumoniae).
Update on Human Metapheumovirus (hMPV)