Updated on: September 1, 2023 / 11:18 AM EDT / CBS News Health authorities say they're closely tracking the spread of three new COVID-19 variants now spreading around the country. Levels of COVID-19 hospitalizations and deaths for now remain far below previous peaks seen during past ...
4 years into the virus, there are nowover 26 variants of the original COVID-19 strain.1To prioritize resources and monitoring, the World Health Organization categorizes strains as variants in 3 categories: variants of concern (VOC), variants of interest (VOI), and variants under monitoring (V...
(REACT-1) study that was in the field approximately monthly from 1 May 2020 to 31 March 2022 to i) describe the symptom profiles of the main variants of SARS-CoV-2 that have been dominant in England and worldwide over this period, namely wild-type, Alpha, Delta and Omicron BA.1 and...
according to the latest CDCdata. However, these estimates are not exact, and theCDC said in a statementon Monday that BA.2.86 is actually projected to account for 5-15% of currently circulating variants.
Since September 2022, bivalent mRNA COVID-19 vaccines have been recommended in the United States, but the variants these vaccines protect against are no longer circulating widely. On September 11, 2023, the Food and Drug Administration (FDA) approved the updated (2023-2024 Formu...
a new verdict had emerged. Vaccines were unable to halt transmission in the presence of escape variants; thus, here too, mandates failed to meet the ethical pre-requisite of benefit to others, as a vaccinated person could still spread the virus. A study in the New England Journal of Medicin...
THE HAGUE, May 5 (Xinhua) -- Vaccines adapted to address COVID-19 variants such as Omicron could be approved by the European Union (EU) by September, the European Medicines Agency (EMA) said on Thursday. These adapted vaccines will "match more closely Omicron and other variants that have ...
droplets were found to be the leading cause of human-to-human transmission of this virus, but later studies showed that contaminated surfaces and other environmental factors are also involved in its transmission. The evolution of different SARS-CoV-2 variants worsens the condition and has become a...
The new shots are designed to target the XBB variants — strains of the virus descended from the original Omicron variant — which are now the most common form in circulation. Three vaccine manufacturers, Moderna, Pfizer and Novavax, will offer the revised shots for this fall, which virtually...
Received21 September 2022 Accepted20 January 2023 Published02 March 2023 Issue DateMarch 2023 DOIhttps://doi.org/10.1038/s41591-023-02228-4 Subjects Infectious diseases Viral infection This article is cited by Predicting COVID-19 booster immunogenicity against future SARS-CoV-2 variants and the be...