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A 2022 U.K. study that gathered self-reported data on COVID-19 symptoms via smartphone apps indicated that a sore throat became a more prevalent sign when Omicron's dominance rose in 2021 ...
Other causes can include acid reflux, asthma, allergies, or other chronic medical conditions, adds Richard Watkins, M.D., an infectious disease physician and professor of medicine at the Northeast ...
The symptoms of HV.1 and other COVID-19 variants can look very similar to other viruses, including respiratory syncytial virus (RSV), influenza and rhinovirus, which usually causes the common cold.
It is sometimes the only symptom to be reported, implying that it has a neurological basis separate from nasal congestion. As of January 2021, it is believed that these symptoms are caused by infection of sustentacular cells that support and provide nutrients to sensory neurons in the nose, rather than infection of the neurons themselves.
The signs of omicron and its subvariants tend to be similar to previous COVID-19 ... Congestion. Common flu symptoms. ... this should be a sign that your symptoms are more likely due to COVID-19.
The degree to which the virus is infectious during the incubation period is uncertain, but research has indicated that the pharynx reaches peak viral load approximately four days after infection [61] [62] or in the first week of symptoms and declines thereafter. [63]
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 symptoms caused by the dominant variants circulating, XEC and KP.3.1.1, are very similar to those caused by previous omicron subvariants, according to experts. Common COVID-19 symptoms include ...