shortness of breath or difficulty breathing.The Centers for Disease Control and Prevention (CDC) lists the possible symptoms of a SARS-CoV-2 infection without specifying a variant. Pfizer maintains that three doses of its mRNA vaccine are able to neutralize Omicron in laboratory experiments and that two doses may still prevent serious illness following infection with this variant. The variant has caused concern among health authorities because it appears to be highly transmissible and likelier to reinfect.Īccording to a study that has yet to undergo peer review, it may also be more stable than previous variants and, therefore, persist in an infectious state on surfaces such as skin and plastic for longer periods - over 16 hours.įurthermore, there have been worries that Omicron can bypass the protection conferred by COVID-19 vaccines. On November 26, 2021, the World Health Organization (WHO) indicated a new SARS-CoV-2 variant of concern, which became known as Omicron. Visit our coronavirus hub for the most recent information on the COVID-19 pandemic. All data and statistics are based on publicly available data at the time of publication.
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