On schools as public health hazards: imagine if you had to send your personal cows to a concentrated animal feeding operation every day.
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Replying to @sarahdoingthing
@sarahdoingthing is there any truth to exposure (not chickenpox) making immune system more robust?1 reply 0 retweets 1 like
Replying to @bitemyapp
@bitemyapp mud and bugs are probably good, other vectors of your exact species carrying diseases optimized for transmission maybe not?
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