When did they stop giving the polio vaccine? 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
When did they stop giving the polio vaccine?
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.
Do adults need a polio vaccine?
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.
Why was oral polio vaccine discontinued?
Use of the oral polio vaccine was discontinued in the UK in 2004 and the US in 2000, and the UN agency advises that the use of the oral vaccine should be discontinued after polio is judged to be eradicated because of the risk of vaccine-derived outbreaks.
How many times polio vaccine should be given in a year?
Usually administered four times if the EPI schedule is followed, OPV is safe and effective in providing protection against the paralyzing poliovirus.
Does the polio vaccine last a lifetime?
The polio vaccine provides lifelong immunity and is the only means of polio prevention. There are two types currently available: the oral polio vaccine (OPV) and the inactivated polio vaccine (IPV).
How long does a polio vaccine last?
The minimum interval between the next-to-last and last doses in the polio vaccination series is 6 months and the last dose should be at age 4 years or older.
What is the age limit for polio vaccine?
In other words, guidelines are based on proba-bilities of risk of disease, and the risk of disease is extremely low, indeed negligible, beyond 5 years of age. Therefore, OPV is not usually recommended beyond 5 years, either as the first dose or as a reinforcing dose.
Can you get polio twice?
There are three types of polio virus. Lifelong immunity usually depends on which type of virus a person contracts. Second attacks are rare and result from infection with a polio virus of a different type than the first attack.
What year was polio?
Since the virus is easily transmitted, epidemics were commonplace in the first decades of the 20th century. The first major polio epidemic in the United States occurred in Vermont in the summer of 1894, and by the 20th century thousands were affected every year.