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Nasal Spray Vaccine - A New Protective Measure

by Rathi Manohar on July 27, 2010 at 8:00 PM
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Nasal Spray Vaccine - A New Protective Measure

A new protective measure against meningitis and pneumonia in the form of a nasal spray vaccine is being developed by scientists.

The research team, being led by Dr Qibo Zhang, from the University of Liverpool, believes kids could benefit from the spray, which is based on tackling the bacteria pneumococcus.


There are more than 90 known pneumococcal types, which can cause deadly illnesses including pneumonia, blood poisoning and meningitis.

The bacteria also causes middle ear infection and sinusitis and every year across the world up to one million under-fives die because of pneumococcus.

The novel vaccine will contain a substance called D4Ply, a fragment of a protein produced by nearly all the different types of pneumococcus.

If experiments prove successful, the vaccine could therefore protect against most strains.

Experiments will focus on cells taken from the adenoids of around 30 youngsters under five to see if the vaccine is effective as a nasal spray.

Researchers believe that the vaccine could be much cheaper to produce than those already available in the market.

"Current vaccines are complex and expensive to produce, they do not protect against all of the 90 or so different types of this bacterium and they are not all effective in very young children. Better vaccines are needed," the Scotsman quoted Zhang as saying.

Source: ANI

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