No. Hand sanitizer is simply not as effective against norovirus as it at killing other pathogens due to the virus's firm shell, Dr. William Schaffner, professor of infectious diseases at Vanderbilt University Medical Center, told TODAY.com recently.

Hand sanitizer alone isn't enough to protect you from norovirus, experts say. So it's important to know how to stay safe and wash your hands properly. The FDA announced on Wednesday that it has banned the use of Red No. 3, an additive used to give food and drinks a cherry-red color.

Norovirus, a familiar and repeat offender, is responsible for many recently increased reports of illnesses in Wyoming, according to the Wyoming Department of Health (WDH).

Hand sanitizer alone isn't enough to protect you from norovirus, experts say. So it's important to know how to stay safe and wash your hands properly.