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.
All but two of the deaths took place in the Congo, which as of Monday had recorded 2,473 cases in the latest outbreak of the haemorrhagic virus.
It says the response is 'not enough' and the outbreak will follow a dangerous trajectory if more is not done to stop the spread.
The two-seater ambulance can reach a top speed of 120 kilometres per hour and is designed for inaccessible off-road terrain.
The warning to strengthen mosquito surveillance comes as locally transmitted cases are reported in Greece, Italy, Spain, Romania, and North Macedonia.
Hostility from local communities at the heart of the Ebola outbreak in the Democratic Republic of Congo (DRC) is leading to regular attacks on WHO ambulances, one of the lead doctors involved in the epidemic response says at a briefing.
Having returned from a trip to the Democratic Republic of Congo, the world health organisaiton chief is sounding the alarm on the ebola outbreak.
The World Health Organization says it on track to surpass the deadliest in history, which killed over 11,000 people a decade ago.
Millions of spectators across Europe witnessed a rare total solar eclipse on Wednesday, August 12, as the Moon passed directly
Vietnamese police have seized nearly 1.2 tonnes of ivory at Quy Nhon port, in Gia Lai province.
Worries over the death of elephants are mounting in southern Kenya, where at least 19 animals have died since June from an unexplained condition. With symptoms including partial paralysis, conservationists and communities are demanding urgent investigations into what is killing the elephants.
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