Health officials are still on high alert as they watch a new strain of bird flu emerging in China called the h7n9 virus.
According to Dr. Julie Monita of the Chicago Department of Public Health, the virus had previously not been detected in humans and there have been no cases of it being transmitted from person to person.
So far, 60 people have been infected and 13 have died. All of these cases were in China and all had contracted the virus through an animal.
Doctors are concerned that they virus may begin to spread from human contact and could result in a global epidemic. But the CDC is already preparing a vaccine just in case.
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