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Zoos Begin to Vaccinate Animals Against Covid-19

08/26/2021 By
Merck Veterinary Manual

Since early in the pandemic, zoo animals, including tigers, lions, and a gorilla troop, have tested positive for COVID-19. The Oakland Zoo in California is among the United States zoos vaccinating animals with an experimental COVID-19 vaccine.

Read more about the zoos beginning to vaccinate animals against COVID-19 at

More information on preventive medicine for zoo animals is available in the MSD Veterinary Manual.

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Neoplasia of the Eye and Associated Structures
Squamous cell carcinoma is a common neoplasm in several species. Ocular squamous cell carcinoma is most common in animals with light pigmentation around the eyes, because sun exposure is one of several predisposing factors. This tumor is common in each of the following species EXCEPT: