Difference Among Cold,Flu And H1N1?
(CNN) — When Tyra Smith’s boyfriend, Chris Lewis, first suggested they be guinea pigs in a H1N1 vaccination study in August, she wasn’t so crazy about the idea. But then she warmed to it: While she doesn’t like needles, she thought she’d help out because she knew H1N1 was a serious virus.
Symptoms Of Cold,Flu And [...]









