COVID-19 is an infectious disease caused by a new coronavirus introduced to humans for the first time.
It is spread from person to person mainly through the droplets produced when an infected person speaks, coughs or sneezes.
Watch this short animation to learn more about COVID-19 and how to protect yourself against it.

Coronaviruses (CoV) are a large family of viruses that cause illness ranging from the common cold to more severe diseases such as Middle East Respiratory Syndrome (MERS-CoV) and Severe Acute Respiratory Syndrome (SARS-CoV). A novel coronavirus (nCoV) is a new strain that has not been previously identified in humans.

Further resources are available online here:

https://openwho.org/courses/introduction-to-ncov
https://www.who.int/emergencies/diseases/novel-coronavirus-2019

Source: openwho.org