1) Harbin Veterinary Research Institute - https://www.discovermagazine.com/health/can-your-pets-get-coronavirus-and-can-you-catch-it-from-them



References of Animal-to-Animal Transmission

Cats are highly susceptible to COVID-19 (SARS-CoV-2) and can readily transmit the virus to other cats. Experimental studies have shown that healthy cats co-housed with infected cats can contract the virus within a week, demonstrating that the virus replicates in felines and transmits through respiratory droplets.

Feline-to-Feline Transmission of COVID-19

Dogs exhibit high resistance to COVID-19 (SARS-CoV-2) and are unlikely to transmit the virus to other dogs. Experimental studies have shown that dogs inoculated with the virus do not transmit the infection to uninfected dogs co-housed with them.

Canine-to-Canine Transmission of COVID-19

The likelihood of cross-species transmission of COVID-19 (SARS-CoV-2) among different household pets is very low. Experimental evidence indicates that the virus is not transmitted between infected dogs and uninfected cats, or between infected cats and uninfected dogs.

Cross-Species Transmission of COVID-19 Among Pets

Susceptibility to COVID-19 (SARS-CoV-2) in animals is influenced by age. Older animals exhibit a stronger immune response, whereas younger animals, such as kittens, are more vulnerable to severe illness and potentially fatal outcomes upon infection.

Age-Dependent Susceptibility to COVID-19 in Animals

Animal-to-animal transmission of COVID-19 (SARS-CoV-2) can occur, especially among household pets of the same species. Susceptibility and transmission rates vary significantly by species. While some animals, like cats, are highly susceptible and easily transmit the virus to one another, other animals, such as dogs, exhibit strong resistance and do not readily transmit the infection. Furthermore, cross-species transmission (e.g., between cats and dogs) has a very low likelihood.

University of California, Santa Cruz

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Though it has been confirmed that pets can be infected by COVID-19, as proven by many worldwide cases and lab trials, it is important to take note of the subjects of transmission.


Modes and Subjects of Transmission

Though there have been no cases of animal-to-human transmission and no evidence, according to Mayo Clinic and the CDC, that viruses can spread to people from a pet's skin, fur or hair, this does not excuse its possibility and the likely transmission through respiratory droplets.

In a letter, which was composed by a vast number of established doctors, in the New England Journal of Medicine, it is stated that the confirmation of cats transmitting the virus to other cats calls for more study at the possibility of animal to human transmission. In particular, they state "cats may be a silent intermediate host of SARS-CoV-2, because infected cats may not show any appreciable symptoms that might be recognized by their owners.”


Animal-to-Human Transmission

Early results from a study led by Dr Sarah Hamer, an associate professor of epidemiology at Texas A&M University, shows a connection between households with positive cases in Texas and their pets carrying the virus.

Shelly Rankin, a microbiologist at the University of Pennsylvania’s School of Veterinary Medicine, states that humans can infect animals with the virus. They have many of the same types of receptors on their cells that we do where the virus could attach itself.


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