This is the 9638th most frequent Portuguese word.
coronavirus
A virus that can cause respiratory infections, including COVID-19.
In this sentence, 'coronavírus' is used as a noun to refer to the specific virus responsible for the pandemic.
O coronavírus é um vírus que causou uma pandemia global.
The coronavirus is a virus that caused a global pandemic.
Here, 'coronavírus' is used as part of a prepositional phrase to identify the source of the infection.
Ele esteve em quarentena porque teve contato com alguém infectado pelo coronavírus.
He was quarantined because he had contact with someone infected by the coronavirus.
In this sentence, 'coronavírus' is described in context to its preventative measures.