The head of a major medical research charity has called the latest outbreak of Ebola in central Africa “truly frightening”.
Nearly 1,400 people have died in the Democratic Republic of Congo.
Dr Jeremy Farrar, the director of the Wellcome Trust, said the epidemic was the worst since that of 2013-16 and has showed “no sign of stopping”.
A five-year-old boy has also died in neighbouring Uganda, the first case of Ebola reported in the country.
The Ugandan government is now reporting seven other suspected cases of the virus.
In a statement, Dr Farrar said the spread was “tragic but unfortunately not surprising”. He warned that more cases were expected, and a “full” national and international response would be needed to protect lives.
What’s the situation so far?
Since the first case of Ebola in the DRC last August, nearly 1,400 people have died – around 70% of all those infected.
The outbreak is the second-largest in the history of the disease, with a significant spike in new cases in recent weeks.
Efforts to contain the spread have been hindered by militia group violence and by suspicion towards foreign medical assistance.
Nearly 200 health facilities have been attacked in the DRC this year, forcing health workers to suspend or delay vaccinations and treatments. In February, medical charity Médecins Sans Frontières (MSF) put its activities on hold in Butembo and Katwa – two eastern cities in the outbreak’s epicentre.
In Uganda, a five-year-old boy died of the virus on Tuesday, according to the World Health Organisation (WHO).
Seven other cases have been confirmed in the country, and Uganda’s government said 50 people were suspected to have come into contact with those infected.
Cases of Ebola appearing in another country are always a significant and worrying development. The key question now is how far has the virus spread in Uganda?
This outbreak is already the second largest in human history and some have predicted it could take up to two more years to bring to an end. The World Health Organization has twice ruled that this Ebola outbreak is not a yet global emergency. Its Emergency Committee will meet again on Friday.
What is being done to prevent the spread?
In Uganda, mass gatherings including market days and prayers have been cancelled. Market days in the town of Kasese attract an estimated 20,000 people at the border area.
Uganda’s health ministry and the WHO said a rapid response team had been dispatched to identify others at risk.
The country has already vaccinated about 4,700 health workers against the disease, according to a joint statement by WHO and Ugandan health officials.
On Wednesday, WHO head Tedros Adhanom Ghebreyesus said that he would hold an IHR Emergency Committee meeting on 14 June. The group will decide if the outbreak should now be deemed a public health emergency.