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Symptoms of COVID-19. Some less common symptoms of COVID-19 can be relatively non-specific; however the most common symptoms are fever, dry cough, and loss of taste and smell. [1] [22] Among those who develop symptoms, approximately one in five may become more seriously ill and have difficulty in breathing.
For some, COVID-19 symptoms may persist weeks to months after the initial infection. In 2022, 6.9% of US adults reported to have experienced long COVID, according to a CDC survey .
Researchers analyzed 181 confirmed cases of the disease (both from within China and 24 other countries) and found that around half develop COVID-19 within 5 days of exposure and nearly all people ...
Here's how long it typically takes for symptoms to start.
Two other omicron subvariants — BQ.1 and BQ.1.1 — are now causing more than 45% of all COVID-19 cases in the U.S. Meanwhile, the previously dominant BA.5 variant now only accounts for 3.7% of ...
On 21 October, the United States surpassed 99 million cases of COVID-19, the most cases of any country. [246] By 30 October, the worldwide daily death toll was 424, the lowest since 385 deaths were reported on 12 March 2020. [247] 17 November marked the three-year anniversary since health officials in China first detected COVID-19. [248]
Unfortunately, severe cases of COVID-19 still happen, Dr. Russo says. With a severe case of COVID-19, a person may experience weakness, lethargy, and fever for a prolonged period of time.
A study of the first 41 cases of confirmed COVID‑19, published in January 2020 in The Lancet, reported the earliest date of onset of symptoms as 1 December 2019. [ 420 ] [ 421 ] [ 422 ] Official publications from the WHO reported the earliest onset of symptoms as 8 December 2019. [ 423 ]
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