CDC
Level 1 - Diphtheria in Sub-Saharan Africa
There are outbreaks of diphtheria in several countries in Africa. Vaccination against diphtheria is essential to protect against the disease. Country List : Chad, Guinea,...
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ECDC
Communicable disease threats report, 15 - 21 August 2026, week 34
This issue of the ECDC Communicable Disease Threats Report (CDTR) covers the period 15-21 August 2026, and includes updates on Ebola, respiratory virus epidemiology in th...
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ECDC
Epidemiological update – 11 August 2026: Imported case of Andes hantavirus in the EU/EEA
On 6 August 2026, French public health authorities reported an imported case of Andes hantavirus infection in a traveller from Argentina.
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WWO explainer · ECDC
Reading ECDC Week 33: events, vectors and respiratory surveillance
A practical explanation of the separate evidence streams in ECDC’s 8–14 August 2026 briefing and how to compare them responsibly.
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CDC
Level 2 - Zika in Indonesia
Cases of Zika are being reported in returning travelers from Bali, Indonesia. All travelers to Bali should take steps to prevent mosquito bites and sexual transmission of...
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CDC
Level 4 - Ebola Bundibugyo Virus Disease in Ituri and Nord-Kivu Provinces of the Democratic Republic of the Congo
CDC recommends avoiding all travel to Ituri and Nord-Kivu (North-Kivu) provinces in the Democratic Republic of the Congo (DRC) due to the current Bundibugyo virus disease...
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CDC
Level 3 - Ebola Bundibugyo Virus Disease in Haut-Uélé and Tshopo Provinces of the Democratic Republic of the Congo
CDC recommends avoiding nonessential travel to Haut-Uélé and Tshopo provinces in the Democratic Republic of the Congo (DRC) due to the current Bundibugyo virus disease (B...
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CDC
Level 2 - Chikungunya in Costa Rica
There is an outbreak of chikungunya in northwest Costa Rica. You can protect yourself by preventing mosquito bites.
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CDC
Level 1 - Diphtheria in Haiti
There is an outbreak of diphtheria in Haiti. Vaccination against diphtheria is essential to protect against the disease.
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CDC
Level 2 - Malaria in Yemen
Increased cases of malaria have been reported in Yemen, including in areas that were previously considered low-risk.
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CDC
Level 1 - Hepatitis A in Canada
Manitoba, Canada is currently experiencing a hepatitis A virus (HAV) outbreak. HAV is contagious and spreads through close person-to-person contact and by eating contamin...
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CDC
Level 2 - Chikungunya in French Guiana
There is an outbreak of chikungunya in French Guiana. You can protect yourself by preventing mosquito bites.
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CDC
Level 2 - Malaria in Mayotte
Increased cases of malaria have been reported in Mayotte. Malaria is spread by the bite of infected mosquitoes.
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ECDC
Andes hantavirus outbreak in cruise ship
ECDC was notified on 2 May 2026 of a cluster of severe respiratory illness on MV Hondius, a Dutch-flagged cruise ship with passengers and crew from 23 countries, includin...
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ECDC
Epidemiological update: Spread of multidrug-resistant and extensively-drug resistant Shigella in Europe
Since 2023, 14 countries have reported more than 2 300 infections caused by multidrug-resistant (MDR) or extensively drug-resistant (XDR) Shigella sonnei and Shigella fle...
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ECDC
Mpox worldwide overview
Every month ECDC provides detailed epidemiological overview of the worldwide transmission of mpox in its weekly threat report.
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CDC
Level 2 - Meningococcal Disease in the Democratic Republic of the Congo
There is an outbreak of meningococcal disease in the Mangembo Health Zone of Kongo Central Province. The best way to protect yourself is to get meningococcal vaccination.
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ECDC
Epidemiological update: Shigellosis and other gastrointestinal infections in travellers returning from Cabo Verde
As of March 2026, over 1 000 confirmed and possible cases of shigellosis and other gastrointestinal infections, including salmonellosis, have been detected in travellers...
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CDC
Level 1 - Rocky Mountain Spotted Fever in Mexico
Illness and death due to Rocky Mountain spotted fever (RMSF) have been reported in the northern region of Mexico along the U.S. border, particularly in Baja California, S...
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ECDC
Early estimates of seasonal influenza vaccine effectiveness against influenza requiring medical attention at primary care level in Europe, week 41 - 49, 2025
The 2025/26 influenza season has begun earlier than the previous two seasons, driven by the recently-emerged influenza virus A(H3N2) subclade K.
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