Sarbecovirus is the name of a viral sub-group of related coronaviruses that are RNA-positive enveloped viruses that include, for example, SARS-CoV-1, COVID-19 (SARS-CoV-2), and the recently identified Khosta-1 and Khosta-2 viral strains (first identified in Russian horseshoe bats in 2020).
There is some concern about the new viruses potentially being spread from bats or other animals to humans because they can use the same attachment/cell entry site as other viruses like those for COVD-19. However, researchers are concerned that COVID vaccines currently available have little or no effect in neutralizing Khosta strains. Researchers are trying to produce an effective vaccine against these viruses in case there is an outbreak like that seen for other coronaviruses.
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