"Gaslighting" isn't a new concept, but the verb "gaslight" has seen a surge in popularity in the past few years. That's left some people wondering what the past tense of the verb is.
scare people a little bit so they ll go out and take the vaccinations. reporter: experts say it may take until thanksgiving to fully immunize millions of americans with the multi-step vaccines. some doctors don t have much hope the initial trials will even work. idea that an illness would occur in a spring of the year, and that you re going to have a good vaccine by the fall of the year is very unrealistic. reporter: dr. melissa sparrow with gbmc says you don t have to panic. the best prevention in her eyes is still common sense, like washing your hands and staying home if you re sick. from my perspective, this is a moderate illness. it is not as bad as the regular flu. we have the tools to manage it if we work together as a community. we re going to be fine. reporter: and despite the dire predictions, caroline agrees. i think they re blowing 80 out of proportion. wait and see. reporter: clinical trials for the swine flu vaccine vu already begun. they re happeni