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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. The Delta variant was named on 31 May 2021 and had spread to over 179 countries by 22 November 2021.
By July 2024, a descendant of KP.2 with an extra amino acid change in the spike protein, Q493E, was given the names KP.3 and, informally, 'FLuQE,' and became a major variant in New South Wales during the Australian winter. Initial research suggested that the Q493E change could help KP.3 be more effective at binding to human cells than KP.2.
COVID-19 is still highly contagious, but the severity of the symptoms have lessened for most people because of the differences in the variants and the immunity people have built up by vaccination ...
With more Americans traveling for summer vacations and gathering indoors during scorching heat waves, COVID-19 infections are again on the rise.
On July 27, based on updated information for fully vaccinated people that new evidence on the Delta variant had provided, CDC added a recommendation for those people to wear a mask in public indoor settings in areas of substantial or high transmission. CDC also made other recommendations based on this information. [52]
New Yorkers should stay updated on the latest guidance around COVID vaccines and treatments as health officials renew focus on virus.
On 11 April 2020, the United States became the country in North America with the highest official death toll for COVID-19, at over 20,000 deaths. [4] As of 10 April 2022, there are about 97 million cases and about 1.4 million deaths in North America; about 88.9 million have recovered from COVID-19, meaning that nearly 11 out of 12 cases have ...
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 ...