Contagious [adjective]

The novel coronavirus is highly contagious and, unlike influenza or rhinoviruses, SARS-CoV-2 is new.

We are a global economy and people travel from different parts of the world, but that doesn’t necessarily mean international travelers are more or less contagious.

One big unknown is whether the reinfected patient was contagious the second time around.

For example, it’s still unclear why the new virus is so much more contagious than its SARS and MERS relatives — each of which have infected fewer than 10,000 people.

Patients are most contagious around the time their symptoms emerge, so this woman was most likely the index case — the first person in the cluster to become infected.

The Centers for Disease Control decided that quarantine was only necessary with individuals that carried the disease, since persons with SARS were only contagious when they became symptomatic.

Suddenly, thousands and thousands of people were getting sick from the contagious disease.

It also seems to be contagious even though people don’t have symptoms to show they are infected.

People infected with the novel coronavirus are mainly contagious before they have symptoms and for about a week after symptoms start.

A suppressed laugh spread its contagious influence all round the table.