GENEVA/NEW YORK (January 27, 2005) The World Health Organization (WHO) and UNICE

Question

GENEVA/NEW YORK (January 27, 2005) The World Health Organization (WHO) and UNICEF announced today that they have received grants totaling US$ 10 million from the Bill & Melinda Gates Foundation to develop and introduce a powerful new polio vaccine. The new vaccine, monovalent oral polio vaccine type-1 (mOPV1), will be more efficient at boosting immunity against poliovirus strain "type 1" than today's trivalent vaccine, which works against all ree polio strains. Epidemiologists believe the new vaccine could help to bring a swift end to polio through mass immunization campaigns across areas where virus types 2 and 3 have already been eliminated. The new vaccine is a critical part of the strategy to end poliovirus transmission worldwide by the end of 2005 What is this type of vaccine? O Recombinant protein vaccine O Killed/Inactivated O Modified live (attenuated) Toxoid Subunit

Explanation / Answer

Oral polio vaccine is a type of modified live attenuated vaccine. It can be monovalent, bivalent or trivalent based on the number of strain of polio virus it contains. Another vaccine which is available for polio, injectable polio vaccine is a type of killed vaccine.

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