MERS

Key facts Middle East respiratory syndrome (MERS) is a rare disease. MERS is caused by […]

SARS

Key facts Severe acute respiratory syndrome (SARS) is a viral illness that can cause severe […]

COVID-19

Managing COVID Preparing for infection What to do if you test positive Advice for close […]

Common cold

What are colds? A cold is a viral infection that affects the nose, the throat […]