QUESTÃO 03 – Convido você para ler um artigo que fala sobre a origem do coronavírus. O vírus que
trouxe grandes impactos e mudanças na vida de todos. Como você pode observar, algumas informações
estão incompletas. Complete as frases com a forma correta dos verbos entre parênteses.
How did coronavirus start and where did it come
from? Was it really Wuhan’s animal market?
It’s likely Covid-19 originated in bats, scientists say. But did it then spread to pangolins
and humans?
In the public mind, the origin story of coronavirus seems well fixed: in late 2019 someone at the now world-
famous Huanan seafood market in Wuhan was ___________ (infect) with a virus from an animal.
The rest is part of an awful history still in the making, with Covid-19 spreading from that first cluster in the
capital of China’s Hubei province to a pandemic that has ____________ (kill) about 211,000 people so far.
Stock footage of pangolins – a scaly mammal that looks like an anteater – have made it on to news bulletins,
suggesting this animal was the staging post for the virus before it __________ (spread) to humans.
But there is uncertainty about several aspects of the Covid-19 origin story that scientists are trying hard to
unravel, including which species _____________ (pass) it to a human. They’re trying hard because knowing
how a pandemic starts is a key to stopping the next one.
Prof Stephen Turner, head of the department of microbiology at Melbourne’s Monash University, says what’s
most likely is that virus originated in bats.
But that’s where his certainty ends, he says.
On the hypothesis that the virus _____________ (emerge) at the Wuhan live animal market from an interaction
between an animal and a human, Turner says: “I don’t think it’s conclusive by any means.”
“Part of the problem is that the information is only as good as the surveillance,” he says, adding that viruses of
this type are circulating all the time in the animal kingdom.
The fact that the virus has infected a tiger in a New York zoo shows how viruses can move around between
species, he says. “Understanding the breadth of species this virus can infect is important as it helps us narrow
down down where it might have come from.”
Scientists say it is highly likely that the virus came from bats but first ___________ (pass) through an
intermediary animal in the same way that another coronavirus – the 2002 Sars outbreak – ___________ (move)
from horseshoe bats to cat-like civets before infecting humans.
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