Why do some students have to get a blood test and some students get a “waiver”?

Students who are from, or have spent more than 30 days, in a country with high TB rates are required to have a blood sample drawn to test for TB infection, since they are more likely to have been exposed to TB at some point in their life.

Students who have not spent more than 30 days in a country with high TB rates may receive a “waiver”, meaning their chance of having been exposed to TB is very low.

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