In late March 2013, the Chinese Center for Disease Control and Prevention reported the first three human cases of a new strain of bird flu, designated H7N9. Several people have since died as a result of the virus, and dozens more have been infected, as scientists around the globe struggle to understand how it spreads and pinpoint the source.
Oct 30, 2013, 10:56 PM UTCJacob Kastrenakes
Spread of H7N9 bird flu nearly stopped by shutting down live poultry markets
Aug 7, 2013, 5:03 PM UTCCarl Franzen
Scientists to begin making super strains of H7N9 bird flu, funded in part by US government
May 23, 2013, 10:37 PM UTCChris Welch
Latest bird flu strain easily transferrable between ferrets, but not swine
May 21, 2013, 4:14 PM UTCKatie Drummond
The end of H7N9? No new bird flu cases reported in over a week
Apr 29, 2013, 2:21 PM UTCKatie Drummond
Why is China a hot zone for the deadliest strains of bird flu?
H7N9 continues to spread — and experts warn it isn't the last outbreak we'll see out of China
Apr 25, 2013, 11:26 PM UTCCarl Franzen
Scientists in China trace new bird flu strain H7N9 back to market chicken
Apr 24, 2013, 3:14 PM UTCCarl Franzen
New bird flu strain H7N9 called 'one of the most lethal' as it spreads outside China
Apr 18, 2013, 8:50 PM UTCCarl Franzen
New strain of avian flu in China is deadlier to humans than birds, researchers report
Apr 17, 2013, 5:22 PM UTCChris Welch
Bird flu victims report no contact with poultry as virus continues to spread