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COVID-19 Experimental Infection in Cats |
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Tabitha111
Adviser Group Joined: January 11 2020 Location: Virginia Status: Offline Points: 11640 |
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Posted: May 14 2020 at 7:12am |
By Scott Weese on May 13, 2020 Cats are susceptible to SARS-CoV-2. That’s been shown experimentally and in limited natural infections. A new paper (Halfmann et al, New Engl J Med) provides a bit more information about this virus in cats, largely supporting what’s been reported before . Anyway, the study involved infection of three cats. The day after cats were infected, another cat was cohoused with them. (No mention about what they did to make sure there was no viable virus on the haircoat remaining after experimental inoculation, if anything). Nasal and rectal swabs were collected daily to look for the virus. By day 3, virus was recovered from all inoculated cats. No mention if that was nasal, rectal or both. It appears that the infected cats were healthy, although how they were monitored isn’t clear beyond saying they didn’t lose weight or have abnormal body temperatures…but their graph shows 2/3 infected cats had a 1 degree C temperature jump by 24h post infection, and one of the co-housed cats seemed to have spiked a fever on day 7. Virus was detectable for a few days. Virus was ultimately detected in all three cats housed with the inoculated cats. Co-housed cats that got infected shed the virus for 4-5 days. All cats developed antibodies, further confirming they were infected. My take home messages from this study aren’t really anything we didn’t know before but it’s still useful information. Cats can be infected. Infected cats don’t necessarily get sick. Cats can spread it to other cats. If cats can spread it to other cats, the logical question is whether they can spread it to people. It’s logical to assume that they can, and take some basic precautions around exposed cats (like we’ve been saying for months). So, nothing new and scary, just a reminder to keep using some common sense preventive measures. As the authors state, in earlier reports, “coupled with our data showing the ease of transmission between domestic cats, [show] there is a public health need to recognize and further investigate the potential chain of human–cat–human transmission. “ Well said. |
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