What is the route of OPV vaccine?

The recommended dose for both children and adults is 0.5 mL. It can be administered by the intramuscular or subcutaneous route, using a needle length appropriate for the age and size of the person receiving the vaccine. Preferred injection sites: Infants and small children: anterolateral aspect of the thigh.

Who discovered OPV vaccine?

A live attenuated (weakened) oral polio vaccine (OPV) developed by Dr. Albert Sabin and first used in 1961.

When did us switch from OPV to IPV?

OPV was recommended for use in the United States for almost 40 years, from 1963 until 2000. The results have been miraculous: Polio was eliminated from the United States in 1979 and from the Western Hemisphere in 1991. Since 2000, only IPV is recommended to prevent polio in the United States.

Why is OPV no longer administered?

According to the World Health Organization, routine immunization with OPV must cease after the eradication of poliovirus because of the danger of outbreaks of circulating vaccine-derived poliovirus and the risk of VAPP.

How is OPV given?

OPVs are administered orally and do not require health professionals or sterile needle syringes. As such, OPVs are easy to administer in mass vaccination campaigns. For several weeks after vaccination the vaccine virus replicates in the intestine, is excreted and can be spread to others in close contact.

How many times OPV is given?

What is the polio vaccine schedule? The first dose of polio vaccination in India can be given at birth. Thereafter two more doses are given at a gap of 4 weeks each. To put it simply, the first dose is given at birth, the second dose at the age of one month and the third dose at the age of two months.

Why is OPV being replaced by IPV?

In comparison to OPV, IPV does not contain live virus and, therefore, cannot cause VAPP. An enhanced potency IPV first became available internationally in 1988 and gradually replaced OPV in many countries.

Is OPV necessary?

Adults. Most adults do not need polio vaccine because they were already vaccinated as children. But three groups of adults are at higher risk and should consider polio vaccination in the following situations: You are traveling to a country where the risk of getting polio is greater.

At what age OPV is given?

Oral polio vaccine (OPV) is used in other countries. CDC recommends that children get four doses of polio vaccine. They should get one dose at each of the following ages: 2 months old, 4 months old, 6 through 18 months old, and 4 through 6 years old.

At what age is OPV given?

At a Glance Oral polio vaccine (OPV) is used in other countries. CDC recommends that children get four doses of polio vaccine. They should get one dose at each of the following ages: 2 months old, 4 months old, 6 through 18 months old, and 4 through 6 years old.

Can IPV and OPV be given together?

Yes, your child still needs OPV. IPV does not replace the benefits of OPV. Giving IPV with OPV at 3½ months will ensure your child’s protection from polio.

How many doses of OPV are given to infants?

Four doses are given, each of two drops. OPV should be given at birth, 6 weeks, 10 weeks and 14 weeks of age. The interval between all doses must be at least four weeks. The birth dose is known as OPV0; the subsequent doses are referred to as OPV1 (at 6 weeks), OPV2 (at 10 weeks), and OPV3 (at 14 weeks).

How many doses is OPV?

How many doses of OPV are needed?

What are the 3 types of polio called?

There are three wild types of poliovirus (WPV) – type 1, type 2, and type 3. People need to be protected against all three types of the virus in order to prevent polio disease and the polio vaccination is the best protection.

When should OPV vaccine be given?

The first dose of the OPV vaccine is given to a child at birth, followed by 3 more doses at 6, 10, and 14 weeks after birth. 2 booster doses are also administered to a child, one at 16-24 months, and the second at 5 years of age.