And assurances from the World Health Organisation that only live birds can pass on the illness will cut little ice.
The younger man was a butcher who worked in a market where live birds were sold, although he did not butcher any birds.
The authorities in Shanghai, where four deaths were recorded, have closed three poultry markets and banned the import of all live birds into the city.
Earlier, the commission slapped a ban on all imports of live birds and untreated feathers from both Turkey and Romania, where bird flu was also detected.
Huibers has filled his ark, which will operate as a "Bible museum, " with life-sized plastic animals and an aviary of live birds to give visitors more to interact with.
The trading of live birds - how poultry is traditionally sold in China - has also been halted at a market in the Zhejiang city of Hangzhou, after the virus was detected in quail being sold there.
Its Turkey Twizzlers came under fire from healthy-eating advocate and celebrity chef Jamie Oliver as part of his campaign to improve school lunches, and allegations have also recently emerged that factory workers played a form of baseball with live birds.
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Speaking at a Friday news conference in Shanghai, Shao Linchu, a deputy director at the Shanghai Agricultural Commission, said local authorities had slaughtered more than 20, 000 live birds at a wholesale market in the suburb of Songjiang on Thursday night, and were investigating the origin of infected pigeons discovered there.
All these birds can live decades and take years to mature, so adult birds killed by oil this year will mean populations reduced for years to come.
While nearly 45% of UK birds live in free range facilities, battery farming accounts for up to two thirds of production in some countries.
Birds that live off turds are evidently not a matter of great concern.
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Pigeon is a common type of poultry in Chinese cuisine and the birds are sold live in markets around the country.
Hong Kong officials say they are ready to halt live poultry imports or cull birds if needed, as Shanghai has already done, to prevent a mass outbreak.
The oil spill occurred some 50 miles into the gulf, so it presents a major risk to birds and sea life that live far offshore, where monitoring is harder.
Still, there's reason to think many of these will arrive soon enough: in the weeks we spent working on this review, Netflix, The New York Times, Skype, Hulu Plus, Fruit Ninja, Angry Birds, Zinio and Bank of America all went live in the store.
For centuries, the violent battles between the birds have been a favorite pastime for the farm workers and ranchers who live along the coast.
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As wild migratory birds will sometimes visit farms and as domestic flocks of ducks or chickens often live alongside pigs, especially in developing countries, this is quite feasible.
Birds and certain smaller mammals such as rabbits and raccoons will usually go high to live in trees or on drift piles, but larger mammals have to clear out, according to Ribbeck.
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