Bird Flu
Bird Flu or Avian virus refers to an influenza caused by viruses adapted to birds. It seems to effect all of the birds and especially chicken, however only 2 cases were reported to have caused death in human. Moreover, there has been no case since 2003. Despite the fact that the virus has been lethal to other animals it seems that the preventive measures have been effective in curtailing the virus. It is also estimated that the virus is seasonal and may return again in extreme cold weather.
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