Word: viruses
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...While SARS initially appeared to be centered in Asia, concern is growing on the other side of the world. In Toronto, where 140 SARS cases and 15 deaths have been reported, health officials fear the virus may have spread beyond the walls of the city's hospitals, where it was originally contained. As a result, Toronto has been added to the WHO's travel advisory bulletin. In Beijing, where 750 cases have been confirmed, anxious residents are storming supermarkets to stock up on food and water, and lining up at train stations loaded down with luggage, hoping to escape...
...Despite its current high profile, relatively little is known about SARS, but health officials are working on isolating the virus and identifying possible treatments. In the meantime, here is what we do know about SARS, and what you can do to protect yourself...
...What is SARS? According to WHO, SARS is a virus that affects the respiratory tract (lungs), causing a dry cough, shortness of breath, stiffness, fever, loss of appetite and malaise. The symptoms are very similar to those associated with the flu, except that SARS can appear as pneumonia in chest x-rays...
Even though it has primarily afflicted people residing halfway around the globe, the impact of the Severe Acute Respiratory Syndrome (SARS) virus hit home for many Harvard students this week. On April 4, the University issued a “temporary moratorium” on travel to mainland China, Hong Kong, Vietnam, Singapore and Toronto—locations that have been most severely affected by the recent SARS outbreaks. As a recent follow-up to the moratorium, University officials have announced that students taking courses in affected areas will not receive Harvard credit, and may not be able...
...Researchers are even more worried that the coronavirus, which may be a mutated version of a virus common to animals, could mutate again, becoming more resistant to current treatments. "We are beginning to see patients not responding," says Tam, "and that's a very worrying development." A shape shift in the coronavirus' genetic code can make it more virulent and contagious. Highly mutable HIV continues to frustrate doctors, as it transforms before a vaccine can be developed...