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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.
The loss of smell and taste has long been associated with COVID-19 — it was one of the earliest symptoms associated with the virus that differentiated it from other illnesses.
Some people lose the sense of smell and taste after COVID-19, making eating and drinking an unpleasant chore. Try some of these choices to make mealtime more pleasant.
Many countries list anosmia as an official COVID-19 symptom, and some have developed "smell tests" as potential screening tools. [31] [32] In 2020, the Global Consortium for Chemosensory Research, a collaborative research organization of international smell and taste researchers, formed to investigate loss of smell and related chemosensory ...
With a severe case of COVID-19, a person may experience weakness, lethargy, and fever for a prolonged period of time. However, in some cases, a person might not even show symptoms of having the ...
SARS-CoV-2 is the seventh known coronavirus to infect people, after 229E, NL63, OC43, HKU1, MERS-CoV, and the original SARS-CoV. [105] Like the SARS-related coronavirus implicated in the 2003 SARS outbreak, SARS‑CoV‑2 is a member of the subgenus Sarbecovirus (beta-CoV lineage B). [106] [107] Coronaviruses undergo frequent recombination. [108]
Several explanations contributing to the milder COVID-19 symptoms experienced, in the acute phase, by children have been suggested, including [16] [17]: a lower expression of ACE-2 (the receptor used by SARS-CoV-2 for cell entry) in the respiratory tract in younger children; viral interference (e.g. by other coronaviruses)
HV.1 has several changes to its spike protein from EG.5, which is what SARS-CoV-2, the virus that causes COVID-19 uses to latch onto your cells and make you sick, Dr. Russo explains. How ...