Can I just ask (sorry if this is an ignorant question...I just haven't thought of it in a while). If the MMR vaccine sheds through nasal droplets, why aren't more unvaccinated children getting the diseases? is it uncommon? I know that here in canada the MMR vax is given at age 1, this is also coincidently when children start going to daycare here as our mat leaves end at one year. But I haven't heard of a measles (or mumps) outbreak here in a long time.
5/19/11 at 8:03am