WORLD HEALTH ORGANIZATION

COVID-19 affects different people in different ways. Most infected people will develop mild to moderate illness and recover without hospitalization.
Most common symptoms:

This document is an update to the interim guidance published on 4 November 2020 entitled “Considerations in adjusting public health and social measures in the context of COVID-19”. Public health and social measures (PHSM) have proven critical to limiting transmission of COVID-19 and reducing deaths. PHSM include non-pharmaceutical individual and societal interventions to control COVID-19. This updated version introduces considerations for relaxation of some PHSM for individuals with natural or vaccine-induced immunity.

Coronavirus disease (COVID-19) is an infectious disease caused by the SARS-CoV-2 virus.
Most people who fall sick with COVID-19 will experience mild to moderate symptoms and recover without special treatment. However, some will become seriously ill and require medical attention.

HOW IT SPREADS

The virus can spread from an infected person’s mouth or nose in small liquid particles when they cough, sneeze, speak, sing or breathe. These particles range from larger respiratory droplets to smaller aerosols.
You can be infected by breathing in the virus if you are near someone who has COVID-19, or by touching a contaminated surface and then your eyes, nose or mouth. The virus spreads more easily indoors and in crowded settings.