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The COVID-19 vaccines are widely credited for their role in reducing the severity and death caused by COVID-19. [ 128 ] [ 129 ] As of March 2023, more than 5.5 billion people had received one or more doses [ 130 ] (11.8 billion in total) in over 197 countries.
The human coronavirus NL63 shared a common ancestor with a bat coronavirus (ARCoV.2) between 1190 and 1449 CE. [76] The human coronavirus 229E shared a common ancestor with a bat coronavirus (GhanaGrp1 Bt CoV) between 1686 and 1800 CE. [77] More recently, alpaca coronavirus and human coronavirus 229E diverged sometime before 1960. [78]
The COVID‑19 vaccines are widely credited for their role in reducing the spread of COVID‑19 and reducing the severity and death caused by COVID‑19. [211] [217] According to a June 2022 study, COVID‑19 vaccines prevented an additional 14.4 to 19.8 million deaths in 185 countries and territories from 8 December 2020 to 8 December 2021. [218]
SARS-CoV-2 is the seventh known coronavirus to infect people, after 229E, NL63, OC43, HKU1, MERS-CoV, and the original SARS-CoV. [105] Like the SARS-related coronavirus implicated in the 2003 SARS outbreak, SARS‑CoV‑2 is a member of the subgenus Sarbecovirus (beta-CoV lineage B). [106] [107] Coronaviruses undergo frequent recombination. [108]
7 February – Prime Minister Boris Johnson announces what he describes as "tough targets" to reduce the record NHS waiting lists in England. [36]8 February – Health Secretary Sajid Javid announces plans to help reduce NHS waiting lists in England, but warns numbers will not begin to fall until 2024, and are likely to increase in the short term.
The islands have pursued a strategy of zero COVID-19 transmission, which, except for three flareups in August 2020, May 2021, and January 2022, which were swiftly contained, have resulted in no community outbreaks. The islands have successfully managed the outbreaks, and the union territory has the lowest case count of any region of India, both ...
Quinn Ewers passed for 333 yards and five touchdowns and No. 5 Texas rolled over struggling Florida 49-17 on Saturday, two days after third-year Gators coach Billy Napier was given a public ...
[52] [53] [54] As of July 2021, a large number of drugs had been considered for treating COVID-19 patients. [55] As of November 2022, there was moderate-certainty evidence suggesting that dexamethasone, and systemic corticosteroids in general, probably cause a slight reduction in all-cause mortality (up to 30 days) in hospitalized patients with ...