Shots - Health News
Originally published on Mon April 8, 2013 4:09 pm
Sixteen cases of a new flu around Shanghai have touched off a major effort to determine what kind of threat this new bug might be.
The victims range in age from 4 to 87 years old. Six have died. It is a tragedy for them and their families, but is it a global crisis?
To understand why so few cases are generating so much concern, the first thing to know is that no flu virus like this one — called H7N9 — has ever been known to infect humans before.
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