Bird Flu Spreads Between People

The H7N9 avian flu strain appears to have been transmitted from human to human for the first time, but its ability to jump between people is limited.

Written byDan Cossins
| 2 min read

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WIKIMEDIA, GAVIN SCHAEFERThe Avian influenza A (H7N9) virus, a new strain of bird flu that emerged in China earlier this year, has likely been passed directly between a father and his daughter in the eastern part of the country, according to research published this week in the British Medical Journal (BMJ). It is the first reported case of human-to-human transmission, but researchers have stressed that it does not mean the virus has developed the ability to spread easily between people, reported BBC News.

By the end of June, Chinese authorities had recorded 133 cases of H7N9, including 43 deaths. Most of the people infected had visited markets selling live birds or come into contact with live poultry in the week or so before they fell ill. On this occasion, however, a 32-year-old woman who had not knowingly been exposed to live birds got the virus after caring for her 60-year-old father in the hospital. The father had visited a bird market in the week before becoming sick. Both later died.

Scientists from the Jiangsu Provincial Center for Disease Control and Prevention found that the genomes of the viruses taken from both patients were nearly identical, suggesting that the flu had spread from father to daughter. But none of ...

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