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A fast-moving Ebola outbreak in the Democratic Republic of Congo and Uganda is drawing wider international concern, with more than 220 deaths reported and no licensed vaccine available for the strain behind the epidemic.
The outbreak is caused by the Bundibugyo strain of Ebola, a rarer form of the virus. Unlike the better-known Zaire strain, Bundibugyo has no licensed vaccine or specific approved treatment, the World Health Organization says. Supportive care can still save lives, but the lack of a targeted vaccine makes containment more difficult.
WHO Director-General Tedros Adhanom Ghebreyesus said this week that the epidemic was “outpacing” response efforts, with around 220 suspected deaths reported. Reuters cited WHO as saying the outbreak may have been spreading for weeks before it was fully detected, leaving health teams trying to catch up.
The main outbreak is in eastern Congo, where insecurity, population movement and weak health infrastructure have complicated the response. WHO previously declared the outbreak in Congo and Uganda a public health emergency of international concern.
Several countries are now tightening health measures. Canada said travelers arriving from Congo, South Sudan and Uganda will be required to self-isolate for 21 days starting May 30, while people with symptoms will be referred for medical evaluation. AP reported that the measures are precautionary and are expected to remain in place at least until August 29.
Reuters also reported that Canada and the Bahamas have imposed Ebola-related travel restrictions, while the United States has moved to strengthen screening and response measures. No Ebola cases have been reported in Canada, the United States or the Bahamas, according to Reuters.
Ebola does not spread as easily as respiratory viruses. It is usually transmitted through direct contact with the blood or bodily fluids of an infected person, contaminated materials or unsafe burial practices. But its high fatality rate, combined with conflict conditions in parts of Congo, has raised concern that the outbreak could continue for months if response teams cannot quickly isolate cases and trace contacts.
The warning for the wider world is not that Ebola has become a new pandemic overnight. It is that a deadly virus in a fragile region can quickly become an international emergency when detection is delayed, trust is weak and the tools to stop a specific strain are limited.
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