Outbreaks of cholera, measles and yellow fever can spread rapidly and be fatal. Malaria is endemic in more than 100 countries. Millions are living with HIV/AIDS and tuberculosis. Viral haemorrhagic diseases such as Ebola or Marburg are rarer, but are potentially fatal. The coronavirus COVID-19 pandemic has affected virtually every country on earth, infecting tens of millions of people and resulting in the death of over a million more.
The people at highest risk are mainly those living in poverty or in areas of great instability, such as in armed conflict or during mass displacement, where living conditions are precarious, access to healthcare is limited, and vaccination coverage is low.
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Featured
![Ebola in Foya, Lofa county, northern Liberia Ebola in Foya, Lofa county, northern Liberia](https://img.msf.org/AssetLink/p4q7aaq6at72p47n300go0jkmbrh7b72.jpg)
Ebola outbreak contained in Lofa County, MSF hands over activities
![Ebola, Sierra Leone, Case Management Center in Bo, Nov 2014 Ebola, Sierra Leone, Case Management Center in Bo, Nov 2014](https://img.msf.org/Docs/MSF/Media/CMS3/c/a/e/b/MSB15250.jpg)
On the frontline against Ebola
![MSF staff in Guinea Ebola mission responds to support messages MSF staff in Guinea Ebola mission responds to support messages](https://img.msf.org/AssetLink/r61h25v8a6w05173d4m07t26xno71w65.jpg)
International Ebola response slow and piecemeal, risks becoming a ‘double failure’, says MSF
![Cholera Haiti 2014 Cholera Haiti 2014](https://img.msf.org/AssetLink/0v13mh5e6f32d2xo134056xn86pa4hsb.jpg)
Too few beds to treat cholera patients
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MSF staff member evacuated from Mali
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Ebola crisis update - 21st November 2014
![WAD 2014 PORTRAIT - Zimbabwe WAD 2014 PORTRAIT - Zimbabwe](https://img.msf.org/AssetLink/n644anfqu6y025a63b52n0tn4kt52u5y.jpg)
Beyond the rhetoric: Implement proven community strategies to fight HIV/AIDS
![Dr Monica Arend-Trujillo in Bo, Sierra Leone Dr Monica Arend-Trujillo in Bo, Sierra Leone](https://img.msf.org/AssetLink/460je88qxn8tco70v24111n2dho4nhi7.jpg)
“Yesterday was a day of three miracles”
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MSF expands activities to fight Ebola outbreak
Research & Analysis
MSF publishes study on the accuracy of HIV rapid diagnostic tests
Treating, Containing, Mobilizing: The Role of MSF in the West African Ebola Epidemic Response
![Ebola, Equateur province, DRC Ebola, Equateur province, DRC](https://img.msf.org/AssetLink/u16pej06p0elay840om2vu6aj612pe06.jpg)
MSF supported research on Ebola
![Kyrgyzstan - Decentralized care for TB patients Kyrgyzstan - Decentralized care for TB patients](https://img.msf.org/Docs/MSF/Media/CMS3/2/b/8/c/MSF149408.jpg)
New survey shows outdated policies and practices risk further spread of drug-resistant TB
![Meningitis Epidemic in Niger Meningitis Epidemic in Niger](https://img.msf.org/AssetLink/m3ll72b1v84414j21qdp73311m8uy5o1.jpg)
Epidemics: Neglected emergencies?
![Ebola in Paynesville, Liberia Ebola in Paynesville, Liberia](https://img.msf.org/Docs/MSF/Media/CMS3/9/8/a/4/MSB13568.jpg)
Ebola: Pushed to the limit and beyond
![MSF treats DR-TB cases MSF treats DR-TB cases](https://img.msf.org/AssetLink/5566774pfu3d53jvuq653348087bdtx6.jpg)