Everybody was shocked when COVID-19 _________ was declared.
pandemic
__________ people don't show symptoms. That's why you have to be careful!
Asymptomatic
Last year, my friend got ________ by the virus inside the Metropolitano.
infected
___________ affects mental health, but it's necessary not to infect others. Stay strong!
Isolation
___________ is necessary if you want to be sure about having the virus or not.
Screening
On the streets, don't talk without a mask because _________ may carry the virus.
droplets