U.S. eyeing UK COVID-19 variant but South Africa one more concerning: NIH's Collins: WASHINGTON (Reuters) - The United States is closely watching the more infectious variant of COVID-19 after British officials warned that it may also be more deadly, U.S. National Institutes of Health ... Source: "South Africa" - BingNews … [Read more...] about SA News: U.S. eyeing UK COVID-19 variant but South Africa one more concerning: NIH’s Collins