The vague pain in Thomas P. Trezona's upper abdomen began after he returned from a trip. A few days later, his pain worsened.
Doctors tested for parasites, cancer and rare digestive disorders. But the cause turned out to be none of those things.
Just published: front page of the Financial Times, UK edition, Tuesday 7 April https://on.ft.com/2JM3Zxo
Nearly half of the Diamond Princess cruise ship passengers and crew who tested positive for the novel coronavirus were asymptomatic at the time they were tested, according to a new report from the US Centers for Disease Control and Prevention.
Frostbite occurs when exposure to low temperatures causes freezing of the skin or other tissues. The initial symptom is typically numbness. This may be followed by clumsiness with a white or bluish color to the skin. Swelling or blistering may ...
Symptom - Wikipedia
en.wikipedia.org › wiki › Symptom
A symptom is a departure from normal function or feeling which is apparent to a patient, reflecting the presence of an unusual state, or of a disease. A symptom can be subjective or objective. Tiredness is a subjective symptom whereas cough ...
asymptomatic
無症状感染，約25%~50% 確認個案數
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