The True Story: A Whole Family Ill at Sea

WFSB reported on 16 January 2026 that a family from West Hartford, Connecticut, sailed on a Royal Caribbean New Year cruise and 14 of the family's 21 members fell ill, including all the children, while the family's social media post said hundreds of passengers became sick.

Their 2-year-old daughter was given oxygen in the ship's infirmary, where a doctor diagnosed a "super flu". The immunocompromised grandfather tested positive for flu and developed pneumonia, and staff closed sections of the vessel when bathrooms were overwhelmed. Royal Caribbean did not respond to requests for comment.

The Key Lesson: Closed, Crowded Cabins with No Escape

Thai island ferries, tour boats and river crossings carry hundreds of passengers per trip. Points to watch are:

• Closed air-conditioned cabins with people close for hours
• Onboard toilets limited and heavily used
• Rails and seats every trip's passengers touch
• Life jackets worn close and reused
• Sick passengers with nowhere to separate during the trip

How Flu Spreads

According to the World Health Organization, seasonal influenza spreads easily where people gather, such as schools and nursing homes. It spreads through droplets when people cough or sneeze, and through hands that touch contaminated surfaces and then the eyes, nose or mouth. Most people recover within a week, but young children, older adults, pregnant women and people with chronic illness are at risk of severe disease. Influenza is an enveloped virus, which suitable disinfectants can inactivate.

Risk Register for Ferries and Tour Boats

1. Cabins not disinfected between trips: likelihood high / impact medium / level high. Mitigation: wipe seats and rails between trips and fog on a schedule. Owner: captain or lead crew
2. Onboard toilets not cleaned between trips: likelihood high / impact medium / level high. Mitigation: clean every trip and refill soap. Owner: crew
3. Nowhere to separate sick passengers: likelihood medium / impact medium / level medium. Mitigation: separate open-deck seating and masks. Owner: lead crew
4. Life jackets not cleaned: likelihood medium / impact low / level low. Mitigation: rinse, dry and wipe on a schedule. Owner: crew
5. Cabins closed all the time: likelihood medium / impact medium / level medium. Mitigation: ozone-treat cabins at the end of the day. Owner: boat owner

Ways to Reduce Flu Risk on Boats

1. Give masks to coughing passengers
2. Provide separate seating for the sick on open deck
3. Wipe seats and rails between trips
4. Clean toilets every trip
5. Install hand sanitiser at boarding points
6. Rinse and dry life jackets on a schedule
7. Fog and ozone-treat cabins at the end of the day

How ULV Disinfection Fogging Helps

The World Health Disinfection disinfection service uses ULV fogging machines that turn the disinfectant into a fine mist. It settles across the whole area, including corners, curtains, upholstery and surfaces that hand wiping cannot reach.

• Whole-area coverage without relying on wiping spot by spot
• Quick return to use, typically about 30 minutes after fogging
• Uses Chemgene HLD4H, which meets EN 14476 for virucidal activity according to the product page
• The team wears full protective equipment, so owners and staff do not take the risk themselves
• Report and photos after the job for customers, management or authorities
• Tax invoice with 3% withholding tax for companies and agencies

Ozone Treatment for Closed Rooms and Stuffy Spaces

The World Health Disinfection ozone treatment service uses machines that generate ozone gas from oxygen in the air. It suits closed rooms such as meeting rooms, bedrooms, classrooms, sick bays and vans, helping reduce germs in the air and on surfaces and removing stale odours. Ozone breaks back down into oxygen after treatment, leaving no residue.

• Works alongside disinfection fogging: spray or wipe surfaces first, then use ozone for the air and corners of closed rooms
• No people or pets in the room during treatment: the team seals the room and runs a timer
• Ventilate after treatment before normal use resumes
• Machines tested by Intertek, according to WHD's service page
• Ideal after someone has been ill, such as recovered patients' rooms, shared bedrooms and shuttle vans

Before and After

Frequently Asked Questions

Q: What happened on the Royal Caribbean ship? A: One family had 14 of 21 members ill, a ship's doctor diagnosed a super flu, and the family said hundreds of passengers were sick.

Q: Can boats be ozone-treated? A: Yes, in closed cabins, with no one inside during treatment and ventilation before boarding.

Q: Does the fogging disinfectant work on flu? A: The team uses Chemgene HLD4H, which meets EN 14476 for virucidal activity according to the product page, and influenza is an enveloped virus that suitable disinfectants can inactivate. Fogging does not replace vaccination or handwashing.

Q: Can I enter the room right after ozone treatment? A: No one should be in the room during treatment. Ventilate afterwards before normal use; the team will advise the right time for the room size.

Q: Can boat companies get a tax invoice? A: Yes. Tax invoices are issued and 3% withholding tax is supported. Call 065-556-6294 or LINE @whd268.

Related Links and Sources

• World Health Disinfection disinfection service
• World Health Disinfection ozone treatment service
• Chemgene HLD4H disinfectant and price
• Influenza information from Thailand's Department of Disease Control, hotline 1422
• WHO seasonal influenza fact sheet

Prevent Flu with Disinfection Fogging and Ozone Treatment

The true story from the cruise shows closed spaces at sea spread flu fast. Boats that care for cabins systematically let passengers travel with confidence. Reduce the risk with the World Health Disinfection disinfection service for cabins, decks and onboard toilets, and the ozone treatment service for closed air-conditioned cabins at day's end. To book, call 065-556-6294 or LINE @whd268.

Call 065-556-6294 | LINE: @whd268