The amount of influenza ravaging the U.S. this year rivals levels normally seen when an altogether new virus emerges, decimating a vulnerable population that hasn’t had a chance to develop any defenses. It’s an unexpected phenomenon that public health experts are still trying to decode.
Read more: https://www.sfgate.com/business/article/flu-deaths-america-how-to-prevent-cold-epidemic-12570347.php?source=Snapzu
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