What should you know about COVID-19 and WHO guidance?

The World Health Organization helps coordinate international public-health information about SARS-CoV-2, including terminology, surveillance and broad measures that reduce transmission. Global advice is designed for populations and may not answer whether one person has COVID-19 or needs a particular medicine. Local health authorities and clinicians account for local services, current rules and individual health needs.

COVID-19 may cause fever, cough, headache, fatigue or a generally unwell feeling. Some people develop pneumonia, while symptoms that persist after infection may need assessment for Long COVID. These outcomes cannot be predicted from a WHO label alone.

Use current local health advice for testing, vaccination, isolation or returning to work and school. If you have symptoms, limit close contact, improve ventilation, wash your hands, rest and drink fluids. Keep a record of when symptoms began and whether breathing, alertness or hydration changes.

For personal decisions, tell a clinician about pregnancy, chronic conditions, immune problems and regular medicines. Advice copied from another country may not match the services or recommendations available where you live.

Seek emergency help for serious breathing difficulty, chest pain, blue or grey lips, fainting, new confusion or inability to stay awake. Request prompt medical advice if fever persists, you are unable to drink, or cough and fatigue are worsening. Public-health guidance should never delay emergency assessment.

Ask which local advice applies to your situation, whether testing is useful, and how long to avoid close contact. Discuss warning signs, medication interactions and follow-up if symptoms continue.