Thursday, November 18, 2010

Undetermined source of infection of viruses or turn "invisible"

[2010-11-18]

Hong Kong's Wen Wei Po (Reporter Yuan Boen) confirmed the latest cases of bird flu is not yet determined the source of infection in Hong Kong or the mainland, because the two have recently found an outbreak, an infectious disease experts believe that bird flu or have been converted to the "invisible virus ", even if the chickens can not develop the disease and the outbreak of disease, can cause hard to detect, and to remind the winter is the peak of bird flu, people should minimize contact with birds.
Hong Kong bird flu virus opportunities to low-explosive
HKU Centre for Infectious Diseases, Ho Pak-leung, director pointed out that over the years no local cases of avian influenza occurs, the mainland released the recent outbreak of bird flu found no signs of confirmed cases in Hong Kong believe that this is very likely to be sporadic cases. He said that at present whether the first variant of the virus, and close contact with the patient's situation.
In his view, the Hong Kong market "clear day" policy need not be changed temporarily, and without destruction of farm chickens.
He continued, very low chance of bird flu virus, the patient had no family members and roommates of patients have symptoms of infection, no cause for undue worry.
LO: chicken infected asymptomatic
Infectious diseases specialist Lo Wing-lok said that avian flu every winter are the peak period is mainly transmitted between birds, over the past few months, China had no cases of human illness, he believes, needs the vaccination of poultry, or bird flu that turned "stealth virus" infected chickens have no symptoms. LO to remind the public should avoid contact with poultry.
WHO data, confirmed human cases of avian flu, from 2006 peak of 115 cases, and gradually down to the 39 cases so far this year.
Since 2003, the mainland's cumulative cases of bird flu confirmed 39 cases, most cases in countries of Indonesia, accumulated 170 cases.

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