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Wednesday, June 19, 2013

Study reveals new details about H7N9 influenza infections that suddenly appeared in China

Via Health Canal :

" Researchers with the Network Dynamics and Simulation Science Laboratory at the Virginia Bioinformatics Institute have revealed new information about the latest strain of type A influenza, known as H7N9, in a report in the journal PLOS Currents: Outbreaks.

Since June 7, 132 confirmed cases of human infection with H7N9 have been reported in China and 37 people have died, according to the World Health Organization. It is the first time human infection with the avian influenza H7N9 subtype has been detected, and researchers fear that this strain may have pandemic potential.

Chickens in a Chinese live bird market

The possibility of an animal source of the infection is being investigated, as is the possibility of person-to-person transmission.

However, most people who contracted the disease reported having contact with live birds in a bird market prior to infection. Researchers at the Network Dynamics and Simulation Science Laboratory found that younger women generally have the most contact with poultry, but it is older men who are experiencing the most infections.

The findings suggest that there is something unique about older men that makes them particularly susceptible to H7N9. Their greater risk of infection is not just because they tend to spend more time exposed to an avian source."

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