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  2. Omicron much weaker coronavirus variant than Delta, new ... - AOL

    www.aol.com/news/omicron-much-weaker-covid-19...

    The Omicron variant of the coronavirus is much less likely to cause hospitalization and death than the earlier Delta variant, a study released by the CDC finds, confirming predictions some ...

  3. Timeline of the SARS-CoV-2 Omicron variant - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_the_SARS-CoV-2...

    The Omicron variant features as such for the first time in the overview of WHO's weekly operational update, namely "Supporting Omicron variant detection and COVID-19 response in southern Africa." As of 2 December, Botswana and South Africa have reported 19 and 172 Omicron variant cases, respectively, accounting for 62% of global cases.

  4. UPDATE 1-Omicron severity question answered in 3-4 ... - AOL

    www.aol.com/news/1-omicron-severity-answered-3...

    Omicron will become the dominant coronavirus variant in Europe by the start of 2022 and three to four weeks is needed to determine the severity of the COVID-19 it causes, the World Health ...

  5. UPDATE 3-Avoid cruise travel as Omicron cases surge ... - AOL

    www.aol.com/news/1-u-cdc-recommends-against...

    The U.S. Centers for Disease Control and Prevention (CDC) said people should avoid traveling on cruise ships regardless of their vaccination status, as daily COVID-19 cases in the country climb to ...

  6. SARS-CoV-2 Omicron variant - Wikipedia

    en.wikipedia.org/wiki/SARS-CoV-2_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 ...

  7. COVID-19 - Wikipedia

    en.wikipedia.org/wiki/COVID-19

    Coronavirus disease 2019 (COVID-19) is a contagious disease caused by the coronavirus SARS-CoV-2. In January 2020, the disease spread worldwide, resulting in the COVID-19 pandemic . The symptoms of COVID‑19 can vary but often include fever, [ 7 ] fatigue, cough, breathing difficulties , loss of smell , and loss of taste .