There may be more cats infected with COVID-19 than previously thought

COVID-19 antibodies are present in 15 blood samples taken from cats.Of these, 11 cats had neutralizing antibodies

Proteins that bind to the virus so successfully that they blockInfection.

None of the cats tested positive for COVID-19 and showed no obvious symptoms, and according to the results of return visits, none of these cats died.

The studied sample of cats included 46 abandoned cats from 3 animal shelters, 41 from 5 pet catteries and 15 cats from families of patients with COVID-19.

All three cats with the highest antibody levelsbelonged to patients who were diagnosed with COVID-19, and there were also indications that cats were infected with the virus from other cats that were abandoned or lived in pet hospitals.

Commenting on the findings, the study's lead author Meiling Jin states that while there is currently no evidence of cat-to-human transmission of the virus, precautions should be taken.

While it is not possible to fully understand stray cat infection, it is reasonable to assume that these infections are likely caused by contact with environments contaminated with SARS-CoV-2 or by COVID-19 patients who have fed cats. "Therefore, it is necessary toconsider measures to maintain appropriate distance between COVID-19 patients and pets such as cats and dogs, and shouldestablish hygiene and quarantine measures for these high-risk animals"

Meiling Jin

The team evaluated in great detail the type of antibody response and was able to describe the dynamic characteristics of the detected antibodies.

Among the many discoveries regarding antibodies, theysaw that the type of reaction produced by cats is similar to those seen with seasonal coronavirus infections, which means that cats who have had SARS-CoV-2 infection "remain at risk of reinfection."

The authors state that this is a similar transientan antibody response that is also observed in humans, and that their study should be used in the future as a "reference material for the clinical treatment and prevention of COVID-19."

“We suggest that cats have great potential as an animal model for evaluating the performance of antibodies against SARS-CoV-2 in humans,” they add.

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