About coronaviruses
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Colds
A cold is a viral infection that affects the nose, the throat and upper airways. Find out more about the common cold.
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COVID-19
Health advice on COVID-19, including testing, symptoms, recovery, vaccination, antivirals and long COVID.
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Severe acute respiratory syndrome (SARS)
Severe acute respiratory syndrome (SARS) is a viral disease that can cause severe pneumonia. Know what to do in a future outbreak.
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MERS
Middle East respiratory syndrome (MERS) is caused by a coronavirus. It can cause fever, cough and shortness of breath. Find out more about MERS here.