Bird Flu Crisis In Hong Kong

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which is a viral protein. It will cause the red blood cells to stick together. And N is the viral protein too, which is called neuraminidase (NA). In an influenza virion, there are five hundred spikes sticking out from its lipid envelope in which 80% of the spikes are HA and 20% NA. HA helps the virion get into host cells and NA helps the offspring virions to get out. The two virions together are responsible for the viruses”¦ability to cause the disease. (Cited from http://www.synapse.ndirect.co.uk)

Bird flu virus H5N1 was first isolated form birds in South Africa in 1961. Within these 37 years, the virus seemed to disappear in the world. But with no warning given in advance, the virus reappeared last year in May and caused 6 deaths in Hong Kong.

People who are infected by the virus H5N1 would have the characteristic symptoms including a rapid development of fever and chills, headache, sore throat, muscle pains and dry cough. These symptoms would commence after the incubation ...

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of the mass slaughter, the proposed 24-hour operation finally turned out to be a 3-day one. The AFD claimed that their staff had no experience in slaughtering and thus made the slaughter process much more time consuming.

In the slaughter process, chickens are gassed to death by using carbon dioxide (CO2). Due to the lack of CO2 in Hong Kong, gassed-to-death process was inefficient. In addition, some slaughtered poultry was not disposed on the spot. Therefore chickens were left alive and they ran away with the disease. Though the AFD made a lot of mistakes in the slaughtering process, the slaughter has been successful. Since then, new cases have no longer reported.

3. Financial loss ...

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