By Jill McGivering
BBC News
India's thorough vaccination programme has helped it to stop new transmissions
India has been
free of new cases of polio for a year, putting it on track to end its
status as a country where the virus is endemic, officials say.
In a few weeks, if pending samples test negative for the
virus, India will be officially regarded as free from polio for the
first time in its history.
The World Health Organization described this as a critical milestone.
India was once seen as a polio epicenter, the country where the virus was most difficult to tackle.
India has battled hard for this moment and if the outstanding
tests prove negative as expected, the World Health Organization will
officially declare that India has stopped indigenous transmission.
That will mean only three polio-endemic countries are left: Pakistan, Afghanistan and Nigeria.
Sona Bari, a spokeswoman for the polio eradication program
at the World Health Organization, said this was very significant, not
just for India but the global campaign as a whole.
"India's success is proof," she told the BBC, "that it's biologically and technically feasible to eradicate polio."
India's final reservoirs for the virus were in two of its
poorest and most populous states: Uttar Pradesh and Bihar. Both also
have large migrant populations and weak health infrastructures. All this
made the process of comprehensive vaccination more challenging.
India's apparent success is being put down to a series of
factors, including strong political will at national and state level and
some very determined outreach program.
"Vaccination teams visited every brick factory in rural Bihar
to reach children living there," said Ms Bari. "Some went in boats to
small islands in the floodplains where temporary populations go to
farm."
There has also been concerted financial commitment. According
to the World Health Organisation, by next year India will have spent US
$2 billion. That makes it one of the biggest donors to global
eradication.
It is good news although everyone is warning against
complacency. Just two years ago, India suffered an apparent set-back
with more than 700 cases.
But if India can manage to go for three years without seeing a
new case, the whole south-east Asian region, which excludes Pakistan
and Afghanistan, would be declared polio-free for the first time.
That is an important step along the long road to global eradication.
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