This is a detailed essay about the new emergence of SARS. The history, the physiology, the symptoms, and the treatment are discussed.

It was on a farm somewhere in southerly China where the mystery pneumonia we k nowadays as SARS probably began. Once in the cities, the virus spread, thanks to air travel, is now a flaring epidemic in more than a dozen countries.

SARS, which stands for Severe Acute Respiratory Syndrome, is the name of a potentially fatal new respiratory distemper solely recently recognized by scientists. It is not the name of the micro-organism that causes the sickness - this is suspected to be a virus, although exactly which unrivaled is still uncertain.

Dr Carlo Urbani, an infectious unsoundness specialist for the World wellness Organization who directed public health programs in Cambodia, Laos and Vietnam, prototypal identified the disease. Based in Hanoi, the 46-year-old Italian epidemiologist was called in later on a visiting Chinese-American businessman, Johnny Cheng, became gravely ill and the disease mystified Vietnamese doctors.

Urbani visited the man at the French infirmary in Hanoi on 26 February 2003 and, over the bordering week, took many samples. The disease looked like pneumonia - an acute disease mark by inflammation of the lungs and usually caused by bacteria, viruses or at times by chemical irritants. But the 48-year-old patient also had a high fever, cough, shortness of breath and other(a) symptoms that suggested something else.



Despite intense care, Cheng eventually died - but not before he had septic 33 hospital staff and Urbani himself, who finally succumbed to the respiratory disease a month later. All of Vietnams 62 cases can be traced to the businessman, who had arrived from Hong Kong only three days before being admitted to the hospital.

Soon, other cases emerged in Hong Kong, and World Health Organization (WHO) officials began to suspect the disease might be linked to sporadic reports from the Guangdong province of gray China in early February...

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