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Feb 6, 2023 · CDC uses viral genomic surveillance to quickly identify and track COVID-19 variants, and acts upon these findings to protect the public’s health. Some variants spread more easily and quickly than others, which may lead to more cases of COVID-19. For the most up to date information about current variants, visit CDC’s COVID Data Tracker.
- Symptoms
COVID-19 is caused by infection with a coronavirus named...
- Vaccines
Everyone 6 months and older should get an updated COVID-19...
- Definitions & Classifications
Key Definitions. Mutation: A mutation refers to a single...
- Cdc's Role in Tracking Variants
What is CDC doing to track SARS-COV-2 variants? In the...
- Variant Surveillance
Many viruses are constantly changing, including the virus...
- How Coronavirus Spreads
Coronavirus Disease 2019 (COVID-19) is most often spread...
- Ventilation
Good ventilation, along with other preventive actions, can...
- Spheres
SPHERES is a new national genomics consortium to coordinate...
- Symptoms
Sep 1, 2023 · It’s estimated that Delta caused more than twice as many infections as previous variants—in Connecticut, it was estimated to have been 80 to 90% more transmissible than the Alpha variant. In the U.S., in June 2021, after a steady decline in COVID-19 cases and hospitalizations, the arrival of Delta coincided with a rapid reversal of that trend.
- kathy.katella-cofrancesco@yale.edu
Jul 29, 2021 · “These are the PLANNED COVID-19 VARIANTS - just look at the dates when they will be ‘released’ to the media,” read several posts shared on Instagram, Facebook, Twitter and TikTok. The posts included an image of a table in Spanish, which listed “launch” dates between 2021 and 2023 for 21 potential COVID-19 variants named after the ...
May 3, 2024 · Since the beginning of the COVID-19 pandemic and with the evolution of the SARS-CoV-2 virus, multiple COVID-19 Variants of Concern (VOCs) and Variants of Interest (VOIs) have been designated by WHO based on their assessed potential for expansion and replacement of prior variants, for causing new waves with increased circulation, and for the need for adjustments to public health actions.
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Mar 24, 2021 · Across the world, there are multiple variants of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), the virus that causes coronavirus disease 2019 (Covid-19).
- Salim S Abdool Karim, Tulio de Oliveira
- 2021
On Nov. 26, the World Health Organization named the Omicron variant of the coronavirus a new variant of concern . The variant was first identified in South Africa and Botswana, and has been ...
Aug 5, 2021 · In fact, variants have continued to develop and spread since the emergence of delta. The World Health Organization has designated variants Eta, Iota, Kappa, and Lambda “variants of interest” and is tracking 13 additional variants that originated in the U.S., Brazil, the Philippines, Indonesia, Colombia, and other nations.
