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It takes the Chinese government six weeks to announce to the public the discovery of a new strain of zoonotic flu. In 2003, the emergence of H5N1 wasn't reported until after tsix month of the virus outbreak.
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Three cases of human infection with H7N9 were reported in Shanghai by Xinhua news agency.
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White House spokeswoman, Caitlin Hayden says the White House national security staff is monitoring the outbreak in China.
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World Health Organization (WHO) says that the 16,000 dead pigs found in Huangpu River earlier in March are not interlinked with the H7N9 avian influenza.
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Tsinghua University in Beijing includes H7N9-related questions in admission exams.
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The Chinese Academy of Sciences finds that H7N9 is a "hybrid" virus from Korean wild birds and Chinese ducks.
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Feng Zijian, head of emergency response at the Chinese Center for Disease Control and Prevention advises consumers not to buy frech chicken that are butchered on the spot, Bloomberg reports.
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WHO rules infections with H7N9 in pigs and focuses on poultry markets including live bird markets.
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The four-year-old boy fully recovered and discharged from a hospital in Shanghai. The fate of the rest 32 infected remains unknown.
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Vietnamese Health Ministry warns that H7N9 virus is more virulent than H5N1.
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Reuters reports new cases of bird flu in five bird markets in eastern provinces: Three in Jiangsu, one in Anhui and one in Zhejiang
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New cases are reported in Beijing and Henan, north of China. Fear from virus expansion outside the Eastern seaboard rises.
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State Administration of Traditional Chinese Medicine confirms that TCM has been used to treat 24 of the 77 H7N9 cases reported across China.
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Shandong reports its first case of infection with H7N9. Media reports suspect H7N9 is heading north-east.
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Ho Pak-leung, an associate professor in the Department of Microbiology at the University of Hong Kong, notes in the British Medical Journal (BMJ) that in the two months since it was first detected, the H7N9 flu has already resulted in almost twice as many confirmed infections in China as H5N1 caused there in a decade.
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Taiwan confirms first human H7N9 infection, The 53-year-old patient contracted the diseases in Jiangsu.
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WHO dubs H7N9 as "one of the most lethal influenza viruses."
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First H7N9 bird flu cases confirmed in Fujian and Jiangxi. Fears the virus might be heading south rise.
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H7N9 slows without any new confirmed case of human infection with the bird flu.
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Shanghai Municipality and Zhejiang Province end emergency response measures.
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Australia develops rapid test for H7N9.
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Jiangsu and Shandong, both in eastern China, end emergency response to the H7N9 bird flu.
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According to national health authorities, the final count of casualties include 130 infected of whom 76 fully recovered and discharged, and 37 died.
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Researchers at the University of Hong Kong find that bird flu virus H7N9 can spread through airborne exposure, and not necessarily through contact with infected birds.
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A new study, published in the Lancet, confirms easy resistance of H7N9 to Tamiflu. Worries surge about having "minimal tools" to fight H7N9 if it starts human-to-human transmission.
