WHO urges doctors to give antivirals early to at-risk groups with suspected swine flu

By AP
Thursday, November 12, 2009

WHO: Give at-risk groups anti-flu drugs early

GENEVA — Doctors should give anti-viral drugs to pregnant women, young children and other at-risk groups as soon as they show clinical symptoms of swine flu to prevent them developing serious complications, the World Health Organization said Thursday.

The global body is concerned that some doctors are waiting for lab confirmation of the disease before prescribing antivirals such as Tamiflu to vulnerable groups, a senior WHO medical officer said.

“In order to prevent progression to severe disease, antivirals need to be administered early,” Dr. Nikki Shindo told reporters during a conference call.

“This also holds for otherwise healthy people who show progressive symptoms” such as breathing difficulty or prolonged fever, she said. The pandemic strain A(H1N1) can sometimes cause serious illness in young adults — a fact that still puzzles experts as that group is usually the most resistant to flu.

At least 6,000 people have died since the start of the outbreak last spring, according to WHO.

Shindo said the first 48 hours of illness are considered crucial for stopping the virus from causing serious harm, but antiviral treatment can be helpful even after that period if the patient is severely ill.

Known risk factors that warrant early medication include pregnancy, obesity, asthma and a weakened immune system. WHO estimates that 1 in 25 people in the developing world belong to these at-risk groups, Shindo said. She provided no equivalent figures for developed countries.

Shindo said most people would recover from swine flu without drugs or hospital treatment, and warned against taking antivirals as a preventive measure. Tamiflu and other medicines should never be bought over the Internet, she said

WHO has urged governments to do what they can to minimize the number of people hospitalized with swine flu, as few countries’ health systems are equipped to deal with large waves of severely ill patients.

The Geneva-based agency is already getting reports from Ukraine, Afghanistan and Mongolia that their hospitals are being overwhelmed by pandemic flu, Shindo said.

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