Mayotte - Mpox 2026

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Mpox virus: first case identified in Mayotte

Press release
January 8, 2026

On December 16, five cases of Mpox were confirmed in Madagascar, all located in the coastal region of Mahajanga, in the northwest of the country. Since then, approximately one hundred suspected cases and ten confirmed cases have been observed in Madagascar. The coastal region of Mahajanga remains, to date, the epicenter of the outbreak.

This Thursday, January 8, a case of Mpox, originating from Madagascar, was confirmed in Mayotte.

On December 16, five cases of Mpox were confirmed in Madagascar, all located in the coastal region of Mahajanga in the northwest of the country. Since then, approximately one hundred suspected cases and ten confirmed cases have been observed in Madagascar. The coastal region of Mahajanga, in the northwest of the country, remains the epicenter of the outbreak to date.

On Thursday, January 8, a case of Mpox, originating from Madagascar, was confirmed in Mayotte.

In this context, the Regional Health Agency of Mayotte is strengthening vigilance measures and reminding travellers and the population of preventive measures.

What is Mpox?

Mpox, formerly known as monkeypox, is an infectious disease caused by the monkeypox virus. It primarily manifests as a skin rash, which can affect the face, the anogenital region, the palms of the hands, and the soles of the feet. The lesions can also spread to the rest of the body and mucous membranes.

The rash may be preceded or accompanied by fever, headache, body aches, or swollen lymph nodes.
Human-to-human transmission of the virus occurs primarily:

1. through direct contact with the skin lesions or mucous membranes of a sick person;
2. through indirect contact with contaminated objects or surfaces (linens, bedding, dishes)

Transmission by droplets (saliva, sneezing, spitting) is considered by experts to be very marginal.

The illness generally has a favorable course and usually lasts between 2 and 3 weeks. The person is contagious from the onset of the first symptoms until the skin lesions have completely healed. The recommended isolation period is 3 weeks to prevent any transmission to others.

Management measures

As soon as the first cases of Mpox were reported in Madagascar, the Regional Health Agency (ARS), in conjunction with the French health authorities, implemented preventive measures to allow for the rapid identification and management of any potential cases of Mpox, including:

1. increased health vigilance across the entire territory;
2. information to healthcare professionals, requesting their vigilance and asking them to report any suspected cases to the ARS;
3. strengthening prevention measures and information systems at borders;
4. preparing the healthcare system to identify and manage potential cases;
5. maintaining contact with the Malagasy health authorities in order to stay informed about the evolving health situation on the ground
6. contact your doctor or the SAMU (emergency medical service) by calling 15 as soon as possible;
7. isolate yourself while awaiting medical advice and avoid close contact with other people.
8. wash your hands frequently;
9. avoid close contact with sick people who have a skin rash;
10. avoid all contact with objects potentially contaminated by a sick person (clothing, linens, dishes) and animals (rodents).

Identification of the first case in Mayotte

On Thursday, January 8, a case of Mpox, originating from Madagascar, was confirmed in Mayotte.

Following the receipt of a message of recommendations issued by the Mayotte Regional Health Agency (ARS) to all passengers arriving from Madagascar, and after the onset of symptoms, the individual concerned contacted the health services. They were immediately admitted to the Mayotte Hospital Center (CHM) via a secure pathway.

To prevent any risk of the disease spreading, the Mayotte Regional Health Agency (ARS), in conjunction with Public Health France, has identified and monitored contacts. Furthermore, the ARS is implementing all necessary measures to immediately halt any potential transmission of the virus and prevent its establishment in the territory.

Recommendations to the public

The Regional Health Agency of Mayotte is paying particular attention to the local health situation and calls on the population to be vigilant.
Anyone who has recently traveled to Madagascar and is experiencing suggestive symptoms (fever accompanied by a rash with blisters) is advised to:

1. contact your doctor or the SAMU (emergency medical service) by calling 15 as soon as possible;
2. isolate yourself while awaiting medical advice and avoid close contact with other people.

Anyone travelling to Madagascar is advised to respect the following preventative measures:

1. wash your hands frequently;
2. avoid close contact with sick people who have a skin rash;
3. avoid all contact with objects potentially contaminated by a sick person (clothing, linens, dishes) and animals (rodents).

https://www.mayotte.ars.sante.fr/virus-mpox-identification-dun-premier-cas-mayotte

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See also:

Madagascar - Mpox outbreak 2026

https://flutrackers.com/forum/forum/africa-ac/monkeypox/1026840-madagascar-mpox-outbreak-202​

 

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Two cases of smallpox B (Mpox) identified in Mayotte

Press release
January 29, 2026

On Tuesday, January 27th and Wednesday, January 28th, two cases of smallpox (Mpox) were detected in the region. The Regional Health Agency (ARS) was immediately informed and promptly implemented all appropriate health management measures.

On Tuesday, January 27th and Wednesday, January 28th, two cases of smallpox (Mpox) were detected in the region. The Regional Health Agency (ARS) was immediately informed and promptly implemented all appropriate health management measures.

Investigations carried out by the ARS highlight an intra-family contamination that occurred following close contact with a sick person during a trip to Madagascar.

As soon as the first case was confirmed, the ARS began identifying and monitoring contacts, and is deploying all necessary actions to interrupt any chain of transmission and prevent the virus from establishing itself in the territory.

The ARS reminds us that human-to-human transmission of the virus occurs mainly through direct contact with the skin lesions or mucous membranes of an infected person, particularly during close and prolonged physical contact in the intimate sphere, whether protected or not.

The local health situation is being closely monitored by health authorities, and surveillance and prevention measures are fully in place. The public is urged to remain vigilant and follow the recommended guidelines.

Anyone who has recently traveled to an at-risk area and is experiencing suggestive symptoms (fever accompanied by a rash with blisters) is advised to:

• Contact your doctor or the SAMU (emergency medical service) by dialing 15 as soon as possible;
• Isolate yourself while awaiting medical advice, avoid close contact with other people.

Anyone travelling to Madagascar and the Comoros is advised to respect the preventative measures:

• Wash your hands frequently;
• avoid close contact with sick people who have a skin rash;
• avoid any contact with objects potentially contaminated by a sick person (clothing, household linen, dishes).

https://www.mayotte.ars.sante.fr/deux-cas-de-variole-b-mpox-identifies-mayotte



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6 cases of smallpox B (Mpox) identified in Mayotte since the beginning of the year

Press release
February 5, 2026

On Thursday, February 5th, three additional cases of smallpox (Mpox) were identified in Mayotte and
quickly managed thanks to the enhanced monitoring and surveillance system implemented in
the island in conjunction with the hospital, community healthcare providers, and various other healthcare professionals.
A total of six cases of smallpox have now been confirmed in Mayotte.

Strengthening of monitoring and care measures

Following the detection of these new cases, the Regional Health Agency is strengthening its surveillance and care measures:

1. - Strengthening the screening system at CHM
2. - Consolidation of ARS epidemiological investigations in conjunction with Public Health France
3. - Deployment of systematic reactive vaccination for contact cases
4. - Implementation of a dedicated care pathway for the management of confirmed and suspected cases at CHM
5. - Strengthening of health controls at borders

The ARS reminds us that human-to-human transmission of the virus occurs mainly through direct contact with the skin lesions or mucous membranes of an infected person, particularly during sexual relations, whether protected or not.

Anyone who has recently traveled to a risk area and/or has suggestive symptoms (fever associated with a rash with blisters) is advised to:

1. contact your doctor or the SAMU (emergency medical service) by calling 15 as soon as possible;
2. Isolate yourself while awaiting medical advice, avoid close contact with other people.

Anyone travelling to Madagascar and the Comoros is advised to respect the preventative measures:

1. wash your hands frequently;
2. avoid close contact with sick people who have a skin rash;
3. avoid all contact with objects potentially contaminated by a sick person (clothing, household linen, dishes).

Anyone travelling to Madagascar and the Comoros is advised to respect the preventative measures:

1. wash your hands frequently;
2. avoid close contact with sick people who have a skin rash;
3. avoid all contact with objects potentially contaminated by a sick person (clothing, household linen, dishes).

Any questions?

Call the toll-free number "mpox info service" at 0 801 90 80 69 (every day from 10am to 1am, call and service are free and anonymous) or visit the website www.mpox-info-service.fr

https://www.mayotte.ars.sante.fr/6-...-identifies-mayotte-depuis-le-debut-de-lannee

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/https://en.wikipedia.org/wiki/Chirongui
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A case of Mpox has been confirmed at the Chirongui fire station; three firefighters will be vaccinated as a precaution.

[UPDATED] A firefighter who recently returned from Réunion Island resumed his duties last week in Chirongui. This Sunday, February 8, at the request of his superior after the onset of symptoms, he took a test which came back positive for Mpox.

By Alexis Duclos, Raphaël Cann
Published on February 9, 2026 at 11:31 PM

Having noticed the appearance of a rash, a firefighter from southern Mayotte who was on duty last week contracted Mpox (monkeypox). Contrary to our initial reports, he had returned from a trip to Réunion Island and not from Madagascar, where the disease has spread rapidly.

Before resuming his second shift of the week on Sunday, he went for an examination at the Mramadoudou Reference Medical Center (CMR). A short time later, the test came back positive. The management of the Mayotte Fire and Rescue Service (SDIS) then asked the patient to stay home.

" He did not return to the fire station after the rash appeared; contact with the secretions from these sores is necessary for the disease to be transmitted ," explains Nora Oulehri, chief medical officer of the fire and rescue service. " However, three patients who slept in the same bed as him will be vaccinated as a precaution ." The fire station in Mramadoudou was cleaned on Sunday.

https://la1ere.franceinfo.fr/mayott...e-mpox-a-la-caserne-de-chirongui-1670166.html
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The Regional Health Agency (ARS) confirms 9 cases of Mpox in Mayotte and considers the situation "not very worrying" at this stage.

The Regional Health Agency of Mayotte sought to reassure the public regarding the spread of Mpox, or monkeypox, in the territory. With 9 confirmed cases, the situation is "not very worrying," according to the Agency, which reiterated the importance of preventive and reactive vaccination.

By Raphaël Cann, Lhaïmy Zoubert Ravoay
Published on February 11, 2026 at 06:29
Updated on February 11, 2026 at 06:30

Following the discovery of a new case of Mpox, or monkeypox, in a firefighter at the Chirongui fire station this Sunday, the Regional Health Agency (ARS) finally issued a statement during a press conference this Wednesday, February 11. At this stage, nine cases have been confirmed in Mayotte by testing, according to the ARS, compared to six on February 5. The disease has been primarily transmitted through sexual contact, with both imported cases and local transmission. The agency considers the situation in the territory to be "not very worrying."

The Regional Health Agency (ARS) reiterated its prevention strategy, which includes two types of vaccination: reactive vaccination for potential close contacts, and preventive vaccination for those most at risk, in accordance with the recommendations of the French National Authority for Health (HAS) and the High Council for Public Health (HCSP). These individuals include immunocompromised people, men who have sex with men, and sex workers. The ARS also explained that a specific care pathway has been established and that health checks at borders have been reinforced, with additional staff present at the airport.

https://la1ere.franceinfo.fr/mayott...ation-peu-inquietante-a-ce-stade-1670685.html

 

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Regional bulletin
13-02-2026
(updated on 13-02-2026)

Health surveillance in Mayotte. Bulletin of February 13, 2026.

Key points Smallpox B (Mpox): Nine confirmed cases of Mpox have been reported in Mayotte since the beginning of 2026, including 6 autochthonous cases and 3 imported cases from Madagascar. Installation...

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Excerpt from the link above

Mpox (Variole B)

Since the beginning of 2026, nine confirmed cases of Mpox (smallpox B) have been reported in Mayotte, including six locally acquired cases and three imported cases. Week 6 (W6-2026) was marked by an increase in the number of cases in the territory, with five confirmed cases in that week alone.

The three imported cases originated in Madagascar. For almost all of the locally acquired cases (5 out of 6), an epidemiological link with an imported case could be established: three cases corresponded to secondary transmissions from these imported cases, and two to tertiary transmissions resulting from contamination originating from a locally acquired case.

These findings highlight the establishment of transmission chains at the local level, with a risk of wider spread of the virus within the population. This trend justifies maintaining enhanced surveillance and continuing prevention and control measures (Figure 1).

Figure 1. Weekly evolution of the number of confirmed Mpox (smallpox) cases, Mayotte, Weeks 2-7, 2026 (source: CHM medical biology laboratory and ARS Mayotte) (data not yet consolidated)

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The geographical distribution of the nine confirmed cases shows that the majority of cases are located in the south of the island: 5 in the municipality of Bouéni, 2 in the municipality of Bandrélé, and 1 in the municipality of Kani-Kéli. Only one case was identified in Mamoudzou (Figure 2).

Figure 2. Geographical distribution of the number of biologically confirmed Mpox (monkeypox) cases by municipality of residence, Mayotte, weeks 2–7, 2026

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​​The distribution of confirmed Mpox (monkeypox) cases by age group shows that the average age of cases was 37 years (minimum: 19 years; maximum: 53 years). The most represented age group was 45–54 years (n = 4), followed by 15–24 years (n = 2) and 25–34 years (n = 2).

Only one person belonged to the 35–44 age group (Figure 3).

Regarding the distribution by sex, five cases involved men and four involved women.
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The Comoros are turning back its citizens expelled from Mayotte, citing measures against Mpox

The Maria Galanta, which departed Mayotte yesterday with deported Comorian nationals, is returning this morning with the same passengers. According to our information, the Comoros refused them entry, citing precautionary measures against Mpox.

By Raphaël Cann
Published on March 12, 2026 at 10:10 PM
Updated on March 13, 2026 at 05:11

The Comoros has refused entry to its citizens expelled from Mayotte this Thursday, according to our information. The Maria Galanta, a ship that departed Mayotte yesterday, is returning this morning with the same passengers on board. They will initially be admitted to the CRA, the administrative detention center. The country cited measures implemented since January 12 to combat Mpox. In addition to a medical certificate attesting to the absence of symptoms for entry, anyone coming from a region where Mpox is circulating is now prohibited from traveling to the Comoros.

No new cases of Mpox have been reported in the department since the Public Health France bulletin of February 13, which listed nine confirmed cases in the country since the beginning of the year. The prefecture did not respond to our request for comment.

https://la1ere.franceinfo.fr/mayott...quant-les-mesures-contre-le-mpox-1680522.html

 

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Mpox: a new confirmed case, the Regional Health Agency (ARS) calls for vigilance

The Mayotte Regional Health Agency (ARS) has announced the detection of a new case of smallpox B (Mpox), more than a month after the last case was recorded.

By Mathilde Hangard
Published on March 21, 2026 at 00:59

On March 20, 2026, the Regional Health Agency announced that a new case of monkeypox (Mpox) had been detected in Mayotte on March 18, after a five-week period without any new reports. The last case had been reported on February 12. Since the start of the epidemic, ten cases have been recorded on the island.

In light of this resurgence, while the agency emphasizes that "the disease generally has a favorable outcome ," it insists on a three-week isolation period for infected individuals. Furthermore, it strongly recommends vaccination as the primary means of prevention. "Vaccination against monkeypox (Mpox) is an effective means of prevention ," it reiterates, urging the public to reinforce preventative measures and consult a healthcare professional if symptoms develop.

By Mathilde Hangard

https://la1ere.franceinfo.fr/mayott...rme-l-ars-appelle-a-la-vigilance-1683534.html

 

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Publication Date: April 24, 2026
MAYOTTE: Epidemiological Surveillance in Mayotte
Week 16 (April 13 to 19, 2026)​
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Mpox (Monkeypox)

A new case of Mpox was reported during Week 16 to the Department of Health Surveillance and Security at the ARS Mayotte (Regional Health Agency). This brings the total number of Mpox cases recorded in Mayotte since the beginning of the year to 16. Investigations surrounding this case revealed no history of travel and highlighted an epidemiological link to one of the two most recently confirmed cases.

This case has been classified as autochthonous (locally acquired).

As a reminder, the two most recently identified cases—one confirmed in Week 15 and the other at the beginning of Week 16—were imported cases linked to travel returns from Madagascar, specifically from Nosy Be. This situation underscores the importance of maintaining appropriate surveillance, as well as observing the following preventive measures when traveling:

• wash hands frequently;
• avoid any close contact with sick individuals presenting a skin rash;
• avoid contact with objects potentially contaminated by a sick person (clothing, household linens, dishes);
• consult a healthcare professional in the event of symptoms.

Anyone presenting suggestive symptoms (fever associated with a vesicular skin rash) is advised to:
• promptly contact their primary care physician or the SAMU (emergency medical service – dial 15);
• self-isolate while awaiting medical advice and avoid close contact with other people.

Figure 13: Weekly trend in the number of confirmed Mpox (Monkeypox) cases, Mayotte, Weeks 02 to 16 – 2026 (Source: CHM Medical Biology Laboratory and ARS Mayotte)
(screenshot)

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https://www.santepubliquefrance.fr/sites/default/files/2026-04/bullreg_mayotte_20260424.pdf

 

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Cases of malaria and Mpox are increasing in Mayotte

Benoit Jaëglé
August 4, 2026

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– Mpox (Variole B)

Since week 26, an increase in the number of Mpox cases has been observed in Mayotte, with 8 new cases recorded since the end of June.

Since the beginning of 2026, 43 cases of Mpox have been reported in Mayotte, including 19 imported, 23 autochthonous and 1 with undetermined epidemiological status.

Risky sexual exposure remains the most likely mode of transmission, reported by 34 out of 43 cases (79%) since the beginning of the year, including 5 of the 8 cases recorded since week 26.

Following the peak observed in week 20 (May 11-17), with eight identified cases, the weekly number of Mpox cases gradually decreased. In particular, no cases were reported during weeks 22 and 25.

Since the end of June, however, a resurgence of cases has been observed, with three cases reported in week 26 (June 22-28), then at least one case recorded each week during the following four weeks.

In total, eight cases of Mpox have been reported in Mayotte since the end of June (week 26). Three of these were imported cases, including two from Madagascar and one from mainland France. Four cases were locally acquired. The epidemiological status of one case could not be determined, as the individual refused to answer questions during the telephone investigation.
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https://lejournaldemayotte.yt/2026/08/04/les-cas-de-paludisme-et-de-mpox-en-augmentation-a-mayotte/