CNN Vital Signs with Dr. Sanjay Gupta November 28, 2015 19:44:00
>> but science often loses the argument to ideology. and that was the case in nigeria. remember the check marks we saw? well, they weren't always so easy to get. there's a lot of reasons for people to be suspicious, right? >> yes. >> does the vaccine make us sick? shouldn't i be focusing on other things instead of just these vaccines of just basic health things. aside from religion, how do you combat those perceptions? those are real issues. >> sometimes, we just engage them in conversation. sometimes we engage in dialogue with them. we talk with them. sometimes it works. sometimes -- >> she s...