ANTC68H3 Lecture Notes - Lecture 7: Travel Warning, Hospital-Acquired Infection, Headache
Document Summary
Viral respiratory illness caused by a coronavirus, called sars- associated coronavirus (sars-cov) Symptoms: high fever (> 100. 4 f [38. 0 c]), headache, body aches, cough, diarrhea, rash; most develop pneumonia. First reported in asia in feb 2003. Over several months, illness spread to more than two dozen countries in north america, Case-fatality rates: 1% < 24 yrs; 6% 25-44 yrs; 15% 45-64 yrs; 50%+ > 65 yrs; approx. 13% for patients <60 years and 43% for those >60 years (elderly esp. at risk) Higher mortality rate than flu (usually < 0. 03%); though considered relatively inefficient compared to other respiratory diseases. What we see is the virus fine-tuning itself to enhance its access to a new host humans. dr. Researchers believe that sars made the animal-human jump in late 2002 in the. Compared genomes of viruses isolated early in the emergence of sars with those from later victims of the virus.
