Paris: A new polio vaccine offers superior immunisation and is raising hopes of a total eradication of the disease, according to a study published today by British medical journal The Lancet.
The new vaccine presented immunity against type 1 polio in 90 per cent of babies, compared with 63 per cent from the trivalent vaccine. The new vaccine presented 74 percent immunity for type 3, against 52 per cent with the trivalent vaccine. A monovalent vaccine for type 3 led to 84 per cent immunity. Polio is a pandemic threat in four countries, namely India, Afghanistan, Pakistan and Nigeria, compared to 125 countries in 1988. There were 1,606 cases of polio last year,down from about 350,000 in 1988. The new vaccine is already being widely used in India, and the number of polio cases was down to 32 so far this year, from 260 last year, the journal said, quoting researchersNigel Crawford and Jim Buttery from the Murdoch Children`s Research Institute in Melbourne, Australia. The researchers warned that progress in polio immunisation was being undermined by a lack of funds, and called for a "final, concerted effort" to stamp it out.AFP
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