The virus that causes COVID-19 can infect several animal species, including mink, tigers, lions, cats and dogs.In a study that is not yet peer-reviewed, an international team that I lead recently reported widespread infection by SARS-CoV-2 in free-living and captive white-tailed deer in the U.S. Therefore, we also cannot rule out the possibility that the omicron variant emerged in an animal host through rapid evolution.How the delta variant became dominant worldwide Delta is between 40 and 60 more transmissible than the alpha variant and nearly twice as transmissible as the original SARS-CoV-2 virus first identified in China.
Following the announcement that an Arapahoe County woman has the state’s first case of the COVID-19 omicron variant, those that live and work in the county had differing opinions.
Sources in the ministry told The Wire Science that the individuals had flown in from South Africa and are being attended to in Bengaluru. However, the Bengaluru municipal corporation has said one had no travel history.
Two doses of AstraZeneca and Pfizer vaccines have shown 79 percent and 90 percent protection, respectively, against hospitalisation and death after six months in several studies.
In contact tracing, it was found that four of them had returned from South Africa. An official said as per guidelines, those who returned from South Africa have been isolated at the RUHS hospital while the other five have been home quarantined.