Commercial Air Filtration articles

In February of 2003, newspapers began reporting a rapidly spreading atypical pneumonia. Now identified as severe acute respiratory syndrome or SARS, this highly contagious condition is caused by a new coronavirus for which there is no specific antiviral treatment. While the epicentre of the outbreak was China, the disease spread quickly across Asia and to North America (especially Canada) with a total of 32 countries eventually reporting cases.

Until August 2003, an estimated 8422