If you see this video going around it isn't Conjunctivitispic.twitter.com/r4xAuO2pDV
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
Also people who say this don't have any idea how diseases work lol. Diseases can't be to lethal or too fast acting, or they burn themselves out.
Ahh yes the count dankula style of information collecting.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.