The True Story: Many of the Capital's Cases Were in Prison

In late May 2025, there were reports of 30 confirmed mpox cases in Ndolo Prison, Kinshasa, Democratic Republic of the Congo. In the previous week, the country had 182 new confirmed cases, with Kinshasa accounting for 88, many of them in prison. Since 1 January 2024, Congo had recorded 21,452 confirmed cases. This shows that crowded places people cannot leave can easily become points of spread, even while the national epidemic was slowly declining.

The Key Lesson: Closed, Crowded Places Need a Specific Plan

In Thailand, places with similar characteristics should have a clear communicable disease prevention plan, such as:

• Prisons and correctional institutions with large numbers of inmates
• Juvenile observation and protection centres
• Police station holding cells with people rotating in and out
• Immigration detention centres holding people from many countries
• Custodial officers and internal infirmaries in daily contact with inmates

How Mpox Spreads

According to the World Health Organization, mpox spreads mainly through close contact with an infected person's skin or sores, and can also spread through contaminated objects such as clothing, bedding and towels. Mpox is an enveloped virus, which suitable disinfectants can inactivate.

Risk Register for Prisons and Detention Centres

1. New inmates bringing infection in without screening: likelihood medium / impact high / level high. Mitigation: screen everyone's symptoms and skin on admission. Owner: prison infirmary
2. Overcrowding making it hard to isolate patients: likelihood high / impact high / level critical. Mitigation: designate patient isolation rooms in advance. Owner: prison director
3. Shared bedding and blankets: likelihood high / impact medium / level high. Mitigation: issue personal bedding with a clear laundry schedule. Owner: welfare section
4. Officers in contact with patients without protective equipment: likelihood medium / impact high / level high. Mitigation: provide gloves and masks, and train staff to use them. Owner: shift supervisor
5. Cells, toilets and canteens not disinfected systematically: likelihood high / impact high / level critical. Mitigation: wipe touch points daily and fog on a schedule. Owner: sanitation section

Ways to Reduce Risk in Prisons and Detention Centres

1. Screen new inmates for symptoms before they join others
2. Designate patient isolation rooms in advance, following medical advice
3. Issue personal bedding with a clear laundry schedule
4. Provide protective equipment for officers and the nursing team
5. Wipe shared touch points such as bars, toilets and dining tables every day
6. ULV-fog on a schedule and after finding a case
7. Coordinate with the 1422 hotline and the local public health office

How ULV 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 fully reach.

• Whole-area coverage without relying on wiping spot by spot
• Quick return to use, typically about 30 minutes after fogging
• The team wears full protective equipment, so owners and staff do not take the risk themselves
• Report and photos after the job to show customers, management or authorities
• Tax invoice with 3% withholding tax for companies and agencies
• More than 5 years of experience in hospitals, offices, hotels and public buildings

The Disinfectant We Use: Chemgene HLD4H

The team uses Chemgene HLD4H. According to WHD's product page, it meets the EN 14476 standard for virucidal activity, is used in NHS hospitals in England, and is endorsed by Mahidol University. We do not claim that Chemgene has been tested against mpox specifically. But mpox is an enveloped virus, which suitable disinfectants can inactivate when used at the manufacturer's stated concentration and contact time.

• No harsh bleach smell
• Works on many surfaces, from desks and counters to handles and equipment
• Can be bought for daily wiping of high-touch points

Before and After

Frequently Asked Questions

Q: Why are prisons at risk of outbreaks? A: Because people live closely together and share items. Ndolo Prison had 30 confirmed cases in 2025. Q: Where should a risk assessment start? A: With the admission point for new inmates, isolation rooms, bedding and shared touch points. Q: Does Chemgene HLD4H kill mpox? A: It is not claimed to be tested against mpox specifically, but it meets EN 14476 for viruses, and mpox is an enveloped virus. Q: Can government agencies request a quotation? A: Yes. Call 065-556-6294 or LINE @whd268.

Related Links and Sources

• World Health Disinfection disinfection service
• Chemgene HLD4H disinfectant and price
• Mpox information from Thailand's Department of Disease Control, hotline 1422
• WHO mpox fact sheet

Prevent It with a Disinfection Service and Chemgene HLD4H

The true story from Kinshasa shows that closed, crowded places need a clear disease prevention plan, carried out consistently. Prevent it with the World Health Disinfection disinfection service for prisons and detention centres, and Chemgene HLD4H disinfectant for wiping shared touch points every day.

Call 065-556-6294 | LINE: @whd268