The H7N9 avian flu is said to be expanding now to
other parts of China. Where until now the virus was only in Shanghai and close
by regions, there have been new cases found in the northern part of China and
new cases in the center area. The spread of communal disease is made very easy
when there is a high population. China is the perfect place for the spread of disease
due to the amount of people living there. Is it even a wonder why this flu is
already spreading with all the precautions taken to control it? The Beijing
Municipal Health Bureau announced the first asymptomatic case. After coming in
contact with a 7 year old who has been hospitalized with the virus, they tested
positive despite showing no symptoms. Officials fear that this may suggest that
the virus may be more widespread than the numbers show. By having mild cases,
this could be worrying because reduced virulence can point to further genetic
adaptation of the virus, which in turn has a greater potential to spread. As of
Monday, April 15, there were 63 infections and 14 deaths reported, up from 24
cases just a week prior. These numbers are becoming troubling to experts. An
issue with this virus is that it has several mutations making it more adapted
to humans. Chinese authorities have already identified H7N9 in birds in live
bird markets in Shanghai and other cities. Even with surveillance of other
animals, the animal reservoirs remain largely unknown. Until they find out how
many animals of which species have the virus and how genetically diverse it is,
they won’t know how big of threat H7N9 poses.
Page Odom
4/18/13
2:29 PM
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