How to Avoid Norovirus on a Cruise: 9 Practical Tips That Actually Work

Norovirus is the illness cruise travelers worry about most — and with good reason. It's extremely contagious, spreads quickly in close quarters, and can turn a dream vacation into two miserable days in your cabin. The good news: your personal habits make a real difference.

Why ships? It's not what you think

Norovirus isn't a 'cruise ship disease' — most outbreaks happen in nursing homes, schools, and restaurants. Ships get the headlines because the CDC requires them to report gastrointestinal illness, while outbreaks on land mostly go uncounted. Still, a ship's close quarters, shared dining, and high-touch surfaces mean that once norovirus comes aboard, it can spread fast.

9 habits that cut your risk

• Wash your hands with soap and water for 20 seconds — especially before eating. This is the single most effective defense.
• Don't rely on hand sanitizer alone; alcohol-based sanitizers are less effective against norovirus than proper handwashing.
• At the buffet, use the serving utensils and never your hands — and consider letting crew serve you during the first 48 hours of the cruise.
• Avoid touching your face, especially your mouth, after touching railings, elevator buttons, and door handles.
• Skip raw shellfish in ports with questionable sanitation.
• Drink bottled or treated water in ports where tap water safety is uncertain.
• If your tablemate or cabinmate gets sick, be extra strict about hand hygiene for the next 72 hours.
• Report illness to the medical center promptly — early isolation protects you and everyone else.
• Check your ship's CDC sanitation score before you book; consistent high scores reflect careful food and water handling.

If you do get sick

Most norovirus cases resolve on their own in 1–3 days. The main risk — especially for travelers over 65 — is dehydration. Sip fluids constantly, use oral rehydration salts if you have them, and don't hesitate to visit the ship's medical center. Stay in your cabin until at least 48 hours after symptoms end; you're still contagious even after you feel better.

1. 1.Check the current cruise health and safety outlook before you sail