May 24, 2006

H5N1 Update: In Sumatra Cluster it Looks Like The First Person-to-Person-to-Person Case

Yesterday, for the first time, the World Health Organization is indicating that the most recent family cluster outbreak in Sumatra may have passed from one family member to another and then passed from that person to another member of the group.  The WHO team sent to investigate the Sumatra outbreak has indicated that they have not been able to locate the bird that set off the outbreak. In the Sumatra outbreak all seven members of the family have died of the H5N1 Avian Flu virus. An eighth family member who died last month but was not originally diagnosed with the flu, is now thought to have been the first to have been stricken by the virus. The group of family members who cared for the first victim also came down with the disease and one is thought to have passed it to another relative.

The World Health Organization (WHO) recently revealed that there may
have been as many as three previous instances of human to human transmission of
the Avian Flu prior to the recent Sumatra cluster.  Curiously, however, they have not made public further details. In any case, the Sumatra cluster is the first reported instance of second generation transmission.

For more information go to today's roundup of Avian Flu stories at H5N1Drome.

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Posted by dymaxion at May 24, 2006 10:47 PM
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