Ebola risk ‘very high’ in Congo as confirmed cases rise

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Congo’s latest Ebola outbreak now has 14 confirmed cases as health officials rush to contain the often deadly virus in a city of more than a million people.

The World Health Organisation is holding an experts’ meeting to determine whether the epidemic warrants being declared a global health emergency.

The WHO says the risk to the public in the Democratic Republic of the Congo is “very high” and the regional risk “high”, particularly in neighbouring Republic of the Congo and Central African Republic.

Vast, impoverished Congo has contained several past Ebola outbreaks but the spread of the haemorrhagic fever to an urban area poses a major challenge.

The city of Mbandaka, which has one confirmed Ebola case so far, is an hour’s flight from the capital, Kinshasa, and is located on the Congo River, a busy travel corridor.

“The outbreak is potentially a public health emergency because many of the criteria have been met,” said David Heymann, a former WHO director who has led numerous responses to Ebola.

For a health crisis to constitute a global health emergency it must meet three criteria stipulated by the WHO: it must threaten other countries via the international spread of disease, it must be a “serious, unusual or unexpected” situation, and it may require immediate international action for containment.

Ebola has twice made it to Congo’s capital in the past but was rapidly stopped. Congo has had the most Ebola outbreaks of any country and Dr Heymann said authorities there have considerable expertise in halting the virus.

The latest outbreak tests a new experimental Ebola vaccine, which proved highly effective in the West Africa outbreak a few years ago, although the vaccine was used long after the epidemic had peaked.

More than 4,000 doses have arrived in Congo this week, with more on the way, and vaccinations are expected to start next week.

One challenge will be keeping the vaccine cold in a region with poor infrastructure and patchy electricity.

Just one Ebola death in the current outbreak has been confirmed so far. The health ministry said the total number of cases is 45, including 10 suspected and 21 probable.

The ministry said two new deaths have been tied to the cases, including one in a suburb of Mbandaka. The other was in Bikoro, the rural area where the outbreak was announced last week, about 90 miles from Mbandaka.

“This is a major, major game-changer in the outbreak,” Dr Peter Salama, the WHO’s emergency response chief, warned after the first urban case was announced.

“Urban Ebola can result in an exponential increase in cases in a way that rural Ebola struggles to do.”

Until now, the outbreak had been confined to remote rural areas, where Ebola, which is spread via contact with bodily fluids of those infected, travels more slowly.

Doctors Without Borders said 514 people believed to have been in contact with infected people were being monitored. The WHO said it was deploying about 30 more experts to Mbandaka.

Amid fears of the outbreak spreading to neighbouring countries, the UN migration agency said it would support the deployment of Congolese health teams to 16 entry points along the nearby border with the Republic of the Congo for infection control and prevention.

This is the ninth Ebola outbreak in Congo since 1976, when the disease was first identified. The virus is initially transmitted to people from wild animals, including bats and monkeys.

There is no specific treatment for Ebola. Symptoms include fever, vomiting, diarrhoea, muscle pain and at times internal and external bleeding. The virus can be fatal in up to 90% of cases, depending on the strain.

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