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A comment on “The Problem Child of Seasonal Flu”: Beware This Winter’s Virus. Parent comment

Re:“The Problem Child of Seasonal Flu”: Beware This Winter’s... by yumraj on Monday January 22, 2018 @04:00PM (#16207855)
There's an hypothesis, which conceptually makes sense though not sure how proven it is, about why flu season is Jan/Feb - March/April.

Basically during Fall as the amount of sunlight drops our bodies vitamin D, for which there is clinical evidence that it helps with immunity, drops leaving us more susceptible to infections leading to the overall flu season starting in Jan/Feb time frame. As the sunlight picks up, vitamin D increases and flu season tapers off.

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Re:“The Problem Child of Seasonal Flu”: Beware This Winter’s... by baddox on Monday January 22, 2018 @05:42PM (#16208772)
Do you have more info about that hypothesis? I always thought that the usual explanation was simply that people are inside buildings and cars (and thus around other people) more often when it is colder outside.
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Re:“The Problem Child of Seasonal Flu”: Beware This Winter’s... by yumraj on Monday January 22, 2018 @09:23PM (#16210395)
https://www.medicalnewstoday.com/releases/51913.php
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