CDC's Cox: Novel h1n1 likely originated from pigs; novel h1n1 viruses are very different from seasonal influenza h1n1; #swineflu
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
CDC's Cox: Novel h1n1 likely originated from pigs; novel h1n1 viruses are very different from seasonal influenza h1n1; #swineflu