Since January 2026 and as of 21 May 2026, 171 malaria cases have been reported in Mayotte, France. Of these, 63 were suspected to be autochthonous. A marked increase in cases was observed in weeks 18–20 (27 April–17 May), with an average of 25 cases per week compared to six cases per week earlier in the year. Most recent cases have been reported in the southern municipalities, particularly Chirongui. All cases were caused by Plasmodium falciparum.The likelihood of infection for travellers to Mayotte is considered low; the likelihood of onward transmission in mainland Europe is considered very low. Travellers and residents should be advised to take enhanced prevention measures against mosquito bites. Prophylactic medication may be considered based on national recommendations
Communicated by the European Centre for Disease Prevention and Control
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Since January 2026 and as of 21 May 2026, 171 malaria cases have been reported in Mayotte, France. Of these, 63 were suspected to be autochthonous. A marked increase in cases was observed in weeks 18–20 (27 April–17 May), with an average of 25 cases per week compared to six cases per week earlier in the year. Most recent cases have been reported in the southern municipalities, particularly Chirongui. All cases were caused by Plasmodium falciparum.The likelihood of infection for travellers to Mayotte is considered low; the likelihood of onward transmission in mainland Europe is considered very low. Travellers and residents should be advised to take enhanced prevention measures against mosquito bites. Prophylactic medication may be considered based on national recommendations
Communicated by the European Centre for Disease Prevention and Control