Why Animals Aren't Getting Battered By BA.5 and Omicron Like Humans Are
on farms when the virus began to spread through the species.) Deer, meanwhile, live near humans and are hunted for their meat, making sampling them for COVID-19 something that is in our own interest. Next on the list are domestic cats, at 338 cases, and, at 208. Further down are lions , tigers , and western lowland gorillas . The list tails off with assorted other animals including the black-tailed marmoset, Canada lynx, ring-tailed coati, and giant anteater, with one case each.
Other species of animals that didn’t make the list either have not been tested or may have a natural immunity—or at least resistance—to SARS-CoV-2. “Some animal species are more susceptible to coronaviruses,” Desvars-Larrive says. “This may be related to molecular mechanisms for virus entry or to some genetic mutations in the host.”
One question raised—but not answered—by the study is how animals are affected by Omicron and its subvariants, includingA handful of other studies to address that question have been conducted or are currently underway, however, and they show that animals are bearing up well against the new strains.
Hamer stresses that the results are preliminary and the researchers have many more animals to test before the second phase of the research is completed—and she does not have a definitive answer as to why animal infection rates might be lower in the era of Omicron and BA.5. “Could it be that there’s something about this virus that’s just not infecting animals as much?: she asks.
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