Before germs were first spied under a microscope by Robert Koch, a doctor from East Prussia, catching colds was blamed on evil spirits, foul weather, and medical enigmas such as blood impurities. Koch ...

Often confused for a common cold, respiratory syncytial virus (RSV) can in fact be serious and should be studied more closely ...

Feeling under the weather? In Texas, allergies can cause sneezing, congestion, and itchy eyes – but so can the flu, COVID-19 ...

Health officials have sounded the alarm about measles spreading at an alarming rate across England, warning that the virus ...