How Long Are Germs Infectious Outside The Human Body?Flu viruses will remain infectious on hard surfaces, like tables or doorknobs for up to 24 hours.
Doctor: Measles Can Be Tough For Younger Doctors To SpotMeasles was all but eradicated in the U.S. decades ago, thanks to the immunization program. That's a problem for some doctors. Hennepin County Medical Center's Dr. David Hilden said younger physicians sometimes don't make a measles diagnosis until the appearance of a rash, which is a late stage symptom.
Doctor: Flu Spreads When Sick People Go To Work Doctors say that since you're contagious either seven days after the onset of your symptoms or 24 hours after your fever breaks - you should keep away from work to prevent spreading the virus.
Tech Minute: Keeping Your Computer Clean, SafeWith how much people do online today, experts say to be on the lookout for problems from viruses to malware to identity theft.