One more variable is that a person can be contagious even though they show no signs or symptoms, therefore, you might already have been infected before so and so comes to work...
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EDC, Mini PSK, PSK, Fishing PSK, Diaper Bag Kit, Portable Office, Vehicle Kit (X2), 72 Hour Kit, 7 Day Kit, SIP Kit and a Kit-Kat. Oh yeah, and a FAK (X10). Now where did I put the Tums?