Find Information About:

Drugs & Supplements

Get information and reviews on prescription drugs, over-the-counter medications, vitamins, and supplements. Search by name or medical condition.

Pill Identifier

Pill Identifier

Having trouble identifying your pills?

Enter the shape, color, or imprint of your prescription or OTC drug. Our pill identification tool will display pictures that you can compare to your pill.

Get Started
My Medicine

My Medicine

Save your medicine, check interactions, sign up for FDA alerts, create family profiles and more.

Get Started

WebMD Health Experts and Community

Talk to health experts and other people like you in WebMD's Communities. It's a safe forum where you can create or participate in support groups and discussions about health topics that interest you.

  • Second Opinion

    Second Opinion

    Read expert perspectives on popular health topics.

  • Community


    Connect with people like you, and get expert guidance on living a healthy life.

Got a health question? Get answers provided by leading organizations, doctors, and experts.

Get Answers

Sign up to receive WebMD's award-winning content delivered to your inbox.

Sign Up

Font Size

Taking a Shot at Sinking the 'Cruise Ship' Virus

Injectable Vaccine continued...

The next step is to show that people who get the vaccine have fewer symptoms than those getting a placebo. Treanor believes the results will be better than those seen with the nasal spray, as the new vaccine stimulated a stronger response.

The results are promising, but there remain a number of major challenges to developing an effective norovirus vaccine, says Hoonmo Koo, MD, an expert on noroviruses from Baylor College of Medicine in Houston. He was not involved with the study.

"How long will the protection last?" he asks. When you recover from norovirus, natural immunity only lasts about 14 weeks, and there's not even complete immunity -- just a lower risk of getting sick again," Koo points out.

Still, "if you're going on a cruise, you only need two weeks of protection," Treanor says.

Also, the dominant strain changes from year to year. So, as with the flu virus, there needs to be active surveillance so each year's vaccine will be effective against that year's strain, Koo says.

Prevention Tips

Good hygiene is the best way to avoid catching the bug.

  • Wash your hands with soap and water especially before eating or handling food, and after using the bathroom or changing a diaper.
  • Wash all vegetables and fruits thoroughly.
  • If you're sick, use common sense: Don't prepare food for others.
  • If someone is sick with an upset stomach at home, clean and disinfect contaminated surfaces to prevent spread to others. Wash soiled clothes or linens that may be contaminated. Handle soiled items with gloves and wash your hands afterward.

These findings were presented at a medical conference. They should be considered preliminary as they have not yet undergone the "peer review" process, in which outside experts scrutinize the data prior to publication in a medical journal.

1 | 2

WebMD Video: Now Playing

Click here to wach video: Dirty Truth About Hand Washing

Which sex is the worst about washing up? Why is it so important? We’ve got the dirty truth on how and when to wash your hands.

Click here to watch video: Dirty Truth About Hand Washing