1
Circulation of a disease among people in a certain area with no clear explanation of how they were infected
2
crown-shaped respiratory virus
3
The period between when a person is first exposed to a virus and when they develop symptoms
4
how many people die in a defined group or population (such as a city or a country) during a specified time period
5
An epidemic that has spread over several countries or continents, impacting many people.
6
a sudden increase in the number of cases of a disease, above what is typically expected in a particular area
7
a blood protein that the immune system makes as a response to an invader (pathogen), such as a virus
8
the expected level of a disease, meaning it always existed and it is controlled
9
A collection of cases occurring in the same place at the same time
10
a syndrome provoked by a coronavirus, that causes fever and body aches
