This is the 2497th most frequent Portuguese word.
coronavírus
"Coronavírus" is a type of virus that can cause respiratory illnesses in humans and animals.
Here, 'coronavírus' is used as the subject of the sentence, referring to the virus that caused a global pandemic.
O coronavírus afetou muitas pessoas em todo o mundo.
The coronavirus affected many people around the world.
In this sentence, 'coronavírus' serves as the object of preposition 'sobre', referring to the virus that is the focus of scientific study.
A pesquisa sobre o coronavírus está avançando rapidamente.
Research on the coronavirus is progressing rapidly.
Here, 'coronavírus' is used in the plural form to discuss the broader category of viruses to which it belongs.