Dr Tedros Adhanom Ghebreyesus said it was moving faster than any previous one and had a high risk of spreading to other countries in the region.
READ MOREFear of Ebola is keeping pregnant women away from healthcare facilities in eastern Democratic Republic of Congo, raising the risk of stillbirths, premature births and maternal deaths as the country's deadliest Ebola outbreak continues to disrupt routine medical care.
Responders are warning the deadly haemorrhagic virus is spreading at an unprecedented rate, outpacing efforts to slow it in the remote eastern part of the country.
Measles is a highly contagious, serious airborne disease caused by a virus that can lead to severe complications and death.
I'm feeling pretty vindicated about my decision to stand.
The UK Health Security Agency is investigating an undisclosed number of cases in northwest and southwest London (Picture: Getty Images)
At a time when public trust has become one of the most valuable assets in healthcare, Hospital Nuevo INSESO in
Sudan’s health authorities have raised alarm over a sharp increase in dengue fever,malaria and measles cases,warning that ongoing conflict continues to undermine the national response capacity.
Amy Louise Leonard,20,had been building a busy career as a makeup artist when she died last October (Pictures: MEN Media)
'We, as a nursery and a wider-school family, are devastated.'
Scientists have been trying to create a functional human ear for decades
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