Monkeys Infected with Novel Coronavirus Developed Short-Term Immunity

Friday, July 3, 2020

Test monkeys infected with the novel coronavirus responsible for the COVID-19 pandemic were protected from reinfection for up to 28 days later, a Chinese study out Thursday in the journal Science said. While the monkeys displayed initial immunity, it’s unclear how long such immunity will last in humans – it will be necessary to wait months, or even years, to know if the millions of people infected at the start of the pandemic are protected from re-infection. Scientists from Peking Union Medical College performed an experiment on rhesus macaques, often used because of their similarities to humans, to find out if they have a short-term immunity to the virus. Six rhesus macaques were infected in their trachea with a dose of the SARS-CoV-2 virus. They developed mild to moderate symptoms, and took about two weeks to recover.


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