The True Story: Weekly Cases at a Six-Year High

A local South Australian newspaper reported in August 2025 that the flu season peaked early and intensely, adding pressure on hospitals in July.

Weekly flu cases reached their highest level in six years, with 2,020 cases and 208 hospitalisations in one week.

The Key Lesson: More Hospitalisations Mean Ambulances Carry Infected Patients Back to Back

Ambulances run by Thai hospitals, foundations and patient transport companies carry several patients a day. Points to watch are:

• Stretchers and pads patients lie on trip after trip
• Rear cabins closed during transport
• Oxygen equipment and monitors used in turn
• Rails and door handles crew and relatives hold
• Frequent runs leaving no time to clean

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 Ambulances and Patient Transport

1. Stretchers and pads not wiped between patients: likelihood high / impact high / level critical. Mitigation: wipe stretchers, pads and rails every trip. Owner: ambulance shift lead
2. Crew without masks for fever patients: likelihood high / impact medium / level high. Mitigation: wear masks and gloves every time. Owner: ambulance shift lead
3. Medical equipment not disinfected: likelihood medium / impact high / level high. Mitigation: clean per manufacturer instructions after use. Owner: ambulance nurse
4. Cabins never fully disinfected: likelihood medium / impact medium / level medium. Mitigation: fog and ozone-treat cabins on a schedule. Owner: fleet manager
5. No cleaning time between runs: likelihood medium / impact medium / level medium. Mitigation: set a minimum cleaning time before the next pick-up. Owner: dispatch manager

Ways to Reduce Flu Risk in Ambulances

1. Wear masks and gloves for every fever patient
2. Have coughing patients wear masks during transport
3. Wipe stretchers, pads and rails every trip
4. Clean equipment per manufacturer instructions
5. Set cleaning time before the next pick-up
6. Vaccinate all crew
7. Fog and ozone-treat cabins on a schedule

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: How much flu did South Australia have? A: In 2025 weekly cases hit a six-year high, with 2,020 cases and 208 hospitalisations.

Q: Can ambulances be ozone-treated? A: Yes, with no one inside during treatment and ventilation before use; medical equipment should be cleaned per the maker's manual.

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 hospitals or ambulance 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 South Australia shows severe seasons send many patients to hospital. Clean ambulances protect the next patient and the crew alike. Reduce the risk with the World Health Disinfection disinfection service for ambulances, parking bays and dispatch centres, and the ozone treatment service for ambulance and patient transport cabins. To book, call 065-556-6294 or LINE @whd268.

Call 065-556-6294 | LINE: @whd268