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The Delta variant (B.1.617.2) was [3] [4] a variant of SARS-CoV-2, the virus that causes COVID-19. It was first detected in India on 5 October 2020. It was first detected in India on 5 October 2020. The Delta variant was named on 31 May 2021 and had spread to over 179 countries by 22 November 2021.
While all eyes are on the new and little-understood omicron variant that is popping up around the country, the delta form of the coronavirus isn't finished wreaking havoc in the U.S., swamping ...
The continued spread of the SARS-CoV-2 virus has spawned a Greek alphabet of variants - a naming system used by the World Health Organization to track concerning new mutations of the virus that ...
The United States will not lift any existing travel restrictions "at this point" due to concerns over the highly transmissible COVID-19 Delta variant and the rising number of U.S. coronavirus ...
The (COVID-19) pandemic has put a tremendous strain on many countries' citizens, resources, and economies around the world. [3] This includes the social distancing measures, travel bans, self-quarantines, and business closures are changing the very fabric of societies worldwide. [ 3 ]
Deltacoronavirus (Delta-CoV) is one of the four genera (Alpha-, Beta-, Gamma-, and Delta-) of coronaviruses. It is in the subfamily Orthocoronavirinae of the family Coronaviridae. They are enveloped, positive-sense, single-stranded RNA viruses. Deltacoronaviruses infect mostly birds and some mammals.
Still, those who have healthy immune systems and have previously been vaccinated or infected are less likely to experience the more severe cases of COVID-19 that result in hospitalization or death.
COVID-19 is expected to circulate indefinitely, but as of 2024, experts were uncertain as to whether it was still a pandemic or had become endemic. [2] [3] Pandemics and their ends are not well-defined, and whether or not one has ended differs according to the definition used. [2] [4]