The correct term is "possible exposure" not "carrier" - they can't even get the terms right. What idiots.
Health Depts that know what they're doing simply say to monitor for symptoms and if they follow the best guidelines encourage use of over the counter vitamins (as real Docs recommend).
Allegan County Health Dept.
3255 122nd Ave, Ste. 200
Allegan, MI 49010
Phone: (269) 673-5411
Fax: (269) 673-4172
HOURS: 8:00am - 5:00pm
Monday - Friday