Why are some flu outbreaks so much worse than others?
Flu comes along every year - but just how bad it will be is hard to predict.
from BBC News - Home http://ift.tt/2BedbUw
from BBC News - Home http://ift.tt/2BedbUw
Why are some flu outbreaks so much worse than others?
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Reviewed by Daily Trends Times
on
January 19, 2018
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