February 2, 2008 in Nation/World

Feared bird flu remains a danger; human toll at 220

Margie Mason Associated Press
Associated Press photo

A health official removes chickens from an infected farm in Gadap, Pakistan, on Friday.
(Full-size photo)

HANOI, Vietnam – Fears of a global bird flu pandemic that once dominated headlines have largely vanished in the West, but four years after the virus began ravaging Asian poultry, it continues to quietly spread.

Most global health officials continue to warn that the virus could morph into a disease as threatening to people as it is to chickens. Although a few are now calling the risk “overestimated,” recent developments raise new concerns:

“Four people died this week in Indonesia – where the virus was first reported in humans in 2005 – bringing the country’s toll beyond the 100 mark.

“India is battling its worst-ever poultry outbreak. No human cases have been reported, but experts are scrambling to keep the disease from reaching crowded Calcutta and its 14 million people.

“Pakistan and Myanmar both reported their first human infections in December. That brings to 14 the number of countries where the virus has jumped from poultry to people.

The H5N1 bird flu virus still has killed relatively few people since it began destroying Asian chickens and ducks in late 2003. More than 220 people have died, nearly all from close contact with infected birds. About 60 percent who catch the virus die.

The most recent death in Vietnam – one of the countries most successful at quashing the virus – offers a typical illustration of how people get infected. A man died after butchering and cooking geese and chickens that had died at his backyard farm. Tests showed they had the H5N1 virus. The victim was Vietnam’s 48th since 2003.

Still, the virus’s inability to more easily infect and spread among people has led some experts to distance themselves from the idea it could someday gain the power to kill millions like the world’s worst flu pandemic nearly 100 years ago.

A few weeks ago, Bernard Vallat, director general of the Paris-based animal health organization, known as OIE, said “the risk was overestimated” and fear of an imminent pandemic was “just nonscientific supposition.”

Officials with the World Health Organization maintain that the threat has not lessened, but acknowledge increasing bird flu fatigue.

“It’s not an issue which is always going to remain on the front pages of newspapers,” said Gregory Hartl, WHO spokesman in Geneva. “But that doesn’t change the public health assessment of the situation.”

Bird flu has already caused a pandemic in poultry. Hundreds of millions of birds in more than 60 countries – from Vietnam and Egypt to Britain and Nigeria – have died or been slaughtered to halt its spread.

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