Coronavirus: Cats can catch COVID-19 study finds, dogs safe, as WHO investigates

Charlie, a 15-year-old cat, is seen at the animal shelter "Sans Collier", ready to be adopted in Perwez, Belgium. (Reuters)

Cats can become infected with the new coronavirus but dogs appear not to be vulnerable, according to a study published on Wednesday, prompting the WHO to say it will take a closer look at transmission of the virus between humans and pets.

The study, published on the website of the journal Science, found that ferrets can also become infected with SARS-CoV-2, the scientific term for the virus that causes the COVID-19 disease.

Dogs, chickens, pigs, and ducks are not likely to catch the virus, however, the researchers found.

The study was aimed at identifying which animals are vulnerable to the virus so they can be used to test experimental vaccines to fight the COVID-19 pandemic, which has killed more than 83,000 people worldwide since it emerged in China in early December.

SARS-CoV-2 is believed to have spread from bats to humans. Except for a few reported infections in cats and dogs, there has not been strong evidence that pets can be carriers.

Read more: Tiger infected with coronavirus: Can animals, pets spread COVID-19?

A tiger at the Bronx Zoo in New York City who developed a dry cough and loss of appetite after contact with an infected zookeeper tested positive for the coronavirus on Sunday.

Nadia, a 4-year-old female Malayan tiger at the Bronx Zoo, that the zoo said on April 5, 2020 has tested positive for coronavirus disease (COVID-19) is seen in an undated handout photo. (Reuters)

Nadia, a 4-year-old female Malayan tiger at the Bronx Zoo, that the zoo said on April 5, 2020 has tested positive for coronavirus disease (COVID-19) is seen in an undated handout photo. (Reuters)

The study, based on research conducted in China in January and February, said that researchers found cats and ferrets highly susceptible to the virus when they attempted to infect the animals by introducing viral particles via the nose.

They also found cats can infect each other via respiratory droplets. Infected cats had virus in the mouth, nose and small intestine. Kittens exposed to the virus had massive lesions in their lungs, nose, and throat.

“Surveillance for SARS-CoV-2 in cats should be considered as an adjunct to elimination of COVID-19 in humans,” the authors wrote.

In ferrets, the virus was found in the upper respiratory tract but did not cause severe disease.

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Antibody tests showed dogs were less likely to catch the virus, while inoculated pigs, chickens, and ducks were not found to have any strain of the virus.

The World Health Organization said on Wednesday it is working with its partners to look more closely at the role of pets in the spread of the highly infectious virus.

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Based on the evidence so far, WHO epidemiologist Maria Van Kerkhove told a news conference: “We don’t believe that they are playing a role in transmission but we think that they may be able to be infected from an infected person.”

The WHO asked people not to retaliate against animals over the coronavirus outbreak.

“They’re beings in their own right and they deserve to be treated with kindness and respect. They are victims like the rest of us,” said Mike Ryan, the WHO’s top emergencies expert.

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Last Update: 07:02 KSA 10:02 - GMT 07:02
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