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This timeline of the SARS-CoV-2 Omicron variant (November 2021 – February 2022) is a dynamic list, and as such may never satisfy criteria of completeness. Some events may only be fully understood and/or discovered in retrospect. The extensive mutations of its spike proteins make for the Omicron variant.
In May 2022, a preprint indicated Omicron subvariants BA.4 and BA.5 could cause a large share of COVID-19 reinfections, beyond the increase of reinfections caused by the Omicron lineage, even for people who were infected by Omicron BA.1 due to increases in immune evasion, especially for the unvaccinated. However, the observed escape of BA.4 and ...
The bivalent Omicron COVID-19 booster’s side effects are similar to that of the original vaccine series, and include fever, fatigue, and muscle pain.
The Moderna COVID‑19 vaccine, sold under the brand name Spikevax, is a COVID-19 vaccinedeveloped by the American company Moderna, the United States National Institute of Allergy and Infectious Diseases(NIAID), and the Biomedical Advanced Research and Development Authority(BARDA). Depending on the jurisdiction, it is authorized for use in ...
The FDA specifically said in late June that it has asked vaccine makers to create modified vaccines that targets the Omicron sub-variants BA.4 and BA.5, with the goal of having them be used by the ...
Among 398 residents infected prior to the emergence of Omicron, 10.8% required hospitalization, compared with 4% of 1,241 infected with Omicron. The average age of infected residents was 85 years.
Gargling, nasal rinses, and inhalation[edit] Inhaling bleach or other disinfectants is dangerous and will not protect against COVID-19. They can cause irritation and damage to tissues, including the eyes. They are poisonous and WHO has warned not to take it internally and to keep it out of the reach of children.
Data shows that both of Moderna's Omicron-tailored shots, mRNA-1273.214 and mRNA-1273.222, produced a higher antibody response against BA.4/5 subvariants than its original shot in vaccinated and ...