A contagious and sometimes fatal respiratory illness caused by a coronavirus.
Treatable by a medical professional
Requires a medical diagnosis
Lab tests or imaging always required
Spreads easily
Short-term: resolves within days to weeks
Critical: needs emergency care
SARS appeared in 2002 in China. It spread worldwide within a few months, though it was quickly contained. SARS is a virus transmitted through droplets that enter the air when someone with the disease coughs, sneezes, or talks. No known transmission has occurred since 2004.
Fever, dry cough, headache, muscle aches, and difficulty breathing are symptoms.
No treatment exists except supportive care.
Extremely rare: Fewer than 1,000 US cases per year
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