How easily does the virus spread?
Just how easily the virus can spread is not yet clear.
But a recent study that focused on the first 425 cases in China suggested that the virus has a basic reproductive value of 2.2, meaning that each case-patient could spread the virus to about two other people.
When did coronavirus-related diseases first arise?
The first severe coronavirus-linked illness — severe acute respiratory syndrome (SARS) — emerged in China in 2003, while another — Middle East respiratory syndrome (MERS) — arose in Saudi Arabia in 2012.
Why is the virus called coronavirus?
Coronaviruses derive their name from the fact that under electron microscopic examination, each virion is surrounded by a “corona,” or halo.
Is the coronavirus disease new?
COVID-19 is a new disease, caused be a novel (or new) coronavirus that has not previously been seen in humans.