'Not
out of the woods yet' in yellow fever outbreak in
Angola, Congo: WHO
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[September 01, 2016]
By Stephanie Nebehay
GENEVA (Reuters) - Some 6,000 people in
Angola and Democratic Republic of Congo may be infected with yellow
fever, six times the number of confirmed cases, but no new infections
have been found since July 12, an "extremely positive" trend, the World
Health Organization said on Wednesday.
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The looming rainy season has raised fears of further spread of the
worst outbreak in decades of the mosquito-borne haemorrhagic virus
among unprotected African populations.
Some 7.7 million people were vaccinated this month in a major
campaign in the "high-risk" Congo capital of Kinshasa, along with
1.5 million in other parts of the country, the WHO said. In Angola,
2.4 million people have been vaccinated, making 11.6 million in all.
"Although the yellow fever situation is improving, we agreed that
this event continues to be serious and requires sustained measures,
but does not constitute a public health emergency of international
concern at this time," Oyewale Tomori, chair of WHO's Emergency
Committee, told a news conference.
"We are not out of the woods yet," added the Nigerian professor.
More than 400 people have died in the former Zaire and Angola since
December.
Intense population movements across the border to neighboring
Republic of Congo pose a risk of further spread, the WHO panel of
independent experts said.
The Brazzaville government should consider a "pre-emptive
vaccination campaign in high-risk areas", it said, adding that the
virus was moving towards Central Africa and East Africa.
Dr Peter Salama, executive director of WHO's emergencies program,
said of Angola and Democratic Republic of Congo: "We project at the
moment that there are no more than 6,000 suspected cases...We have
confirmation of about 1,000 cases now in both countries. There might
be cases going undetected."
"Trends are extremely in positive in both countries, the Emergency
Committee has not advised this is a public health emergency of
international concern partly because they have felt the response and
the epidemiology are pointing in the right direction," Salama said.
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The campaigns have depleted the global stockpile of 6 million yellow
fever vaccine doses twice this year already, which the WHO says is
unprecedented.
The four major manufacturers who supply the global stockpile have
worked around the clock to replenish the stockpile, it says. They
are the Institut Pasteur, government factories in Brazil and Russia,
and French drugmaker Sanofi.
The WHO's global stockpile has 6 million doses, but it may not be
enough if there are simultaneous outbreaks of yellow fever in large
urban centres. WHO hopes it will reach 20 million doses by December,
Salama said.
(Reporting by Stephanie Nebehay; editing by Ralph Boulton)
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