Oral Polio Vaccine (OPV)

Oral Polio Vaccine (OPV)

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Oral Polio Vaccine (OPV)

Oral Polio Vaccine (OPV) consists of a mixture of live attenuated poliovirus strains of each of the three serotypes, selected by their ability to mimic the immune response following infection with wild polioviruses, but with a significantly reduced incidence of spreading to the central nervous system. It is available in India in multi dose of 20 doses per pack.


  • It is indicated for active immunization against poliomyelitis virus.
  • Infants should receive atleast three doses of OPV at minimum interval of 3-4 weeks starting from 10 days of birth.
  • Normally adults are not susceptible to poliomyelitis. However the vaccine can be given to persons of any age who have not suffered from poliomyelitis and have not been vaccinated.

2 drops (0.1 ml) of the vaccine is administered orally to small child starting from 10 days of birth. and is given 3 times at an interval of 1-2 months .


The vaccine must be stored at -200C or below under frozen state for long term storage upto 2 years. When the vaccine is thawed ( liquid form), it must be kept in refrigerator at 20C to 80C. Vaccine if stored at 20C to 80C shall remain good for only 4-6 months.