Submitted by AcJc_0604 t3_z4tozd in askscience
kbotc t1_ixv6ban wrote
Reply to comment by GreatAndPowerfulNixy in How soon after exposure is the flu contagious? by AcJc_0604
While true, they’re quite effective for point in time “am I contagious at this second”
If you’ve got antigens in your nose, you are shedding.
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