Vietnamese media are happy to report the WHO finding of no human-to-human transmission of avian flu. But WHO's team in China reports that bird fatalities are far higher than orginally thought: 5,000 instead of 1,000 (which was bad enough), again with no indication of human deaths or infections.
While this is good news, we might stop to consider the consequences if H5N1 fails to mutate in our direction, but continues to attack both wild and domesticated bird species.
The cost to the Asian poultry industries has already run into the billions of dollars, and would likely continue—with impacts on both Asian economies and Asian nutrition. Unable to raise chickens and ducks, rural inhabitants would tend to leave the land and head for the cities. They'd create more crowding and increase the likelihood of old-fashioned epidemics of other diseases, plus considerable social unrest.
Meanwhile, widespread avian flu in wild species could have ecological repercussions. Some insect species might flourish without their predators, and relatively resistant birds would prosper. Like the starlings freed in New York's Central Park a century ago, such species could become serious pests. Asian ecosystems from India to Siberia to Japan could see disruption. Once established in east Asia, H5N1 could well cross the Bering Strait. And not long after that, the V formations of migratory species in our skies could become just a memory.
We can't afford to shrug off the birds' deaths. They and we (and likely many other species) are all in this together.
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