Why did polio vaccine leave a scar?

Why did scarring occur? Scars like the smallpox vaccine scar form due to the body's natural healing process. When the skin is injured (like it is with the smallpox vaccine), the body rapidly responds to repair the tissue.
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Why did vaccines leave a scar?

That's thanks to a global vaccination campaign the WHO started in 1967. No matter how it was administered, the smallpox vaccine left a crater-like scar in the skin because it involved delivering a live version of a related pox virus into the body.
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What vaccines leave a scar?

If you're 40 or older, you probably have a smallpox vaccine scar — depending on the country where you were born. Often it's a dime-sized dent, usually on the upper left arm.
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Does the polio vaccine leave a scar?

In most people, this scar tissue is small. However, some people experience an inflammatory response to the injection of the vaccine, which can lead to a larger, raised scar.
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When did they stop giving the polio vaccine?

This is safe. The oral poliovirus vaccine (OPV) is a weakened live vaccine that is still used in many parts of the world, but hasn't been used in the United States since 2000.
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The Backstory: The rollout of the polio vaccine | KVUE



Why did I not get a scar from smallpox vaccine?

The smallpox vaccine is given using a special needle. Instead of the one-time skin puncture, the doctor will make multiple skin punctures on the dermis. The dermis is right under the epidermis that is visible to the world. In this case, the vaccination does not penetrate into the subcutaneous tissue.
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What shot leaves a scar on your arm?

Before the smallpox virus was destroyed in the early 1980s, many people received the smallpox vaccine. As a result, if you're in your 40s or older, you likely have a permanent scar from an older version of the smallpox vaccine on your upper left arm.
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Does everyone get a BCG scar?

There was no scar or blister after my child's BCG jab. Did it work? A raised blister will appear in most people vaccinated with BCG, but not everyone. If your child did not have this reaction to the vaccine, it does not mean that they have not responded to it.
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How do I know if I had a BCG vaccine?

Our BCG Scar Check Service involves a nurse taking a vaccination history and physically checking the arm for a scar to see whether that person has received the BCG vaccination. This service is suitable for all patients over 18+ years of age.
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Why was the BCG injection stopped?

Although the criteria set by the International Union against Tuberculosis and Lung Disease for moving away from routine BCG vaccination were achieved in the 1990s,7 policy makers were reluctant to stop the programme in schools because of lingering concerns that increases in the prevalence of HIV and in tuberculosis ...
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At what age was the smallpox vaccine given?

Who should get the smallpox vaccine? A different version of the smallpox vaccine was at one time given routinely to all children in the United States at about 1 year of age.
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How was polio vaccine given?

It is given by shot in the arm or leg, depending on the person's age. Oral polio vaccine (OPV) is used in other countries. CDC recommends that children get four doses of polio vaccine.
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What vaccines were given in the 60s?

More vaccines followed in the 1960s — measles, mumps and rubella. In 1963, the measles vaccine was developed, and by the late 1960s, vaccines were also available to protect against mumps (1967) and rubella (1969). These three vaccines were combined into the MMR vaccine by Dr. Maurice Hilleman in 1971.
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Do they still give the smallpox vaccine?

Routine vaccination of the American public against smallpox stopped in 1972 after the disease was eradicated in the United States.
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How long did it take to get a polio vaccine?

Researchers began working on a polio vaccine in the 1930s, but early attempts were unsuccessful. An effective vaccine didn't come around until 1953, when Jonas Salk introduced his inactivated polio vaccine (IPV).
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What vaccine was given to kids in school in the 60's?

In the mid-1950s, the inactivated polio vaccine underwent vaccine trials using more than 1.3 million elementary school children in 1954, and rubella vaccine was administered in schools in the late 1960s.
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What is polio now called?

According to the World Health Organization, only 22 cases of polio were reported worldwide in 2017. However, recent reports of children exhibiting a polio-like paralytic condition has sent health officials and researchers scrambling for answers. The condition is called acute flaccid myelitis, or AFM.
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Where did polio originally come from?

The first epidemics appeared in the form of outbreaks of at least 14 cases near Oslo, Norway, in 1868 and of 13 cases in northern Sweden in 1881. About the same time, the idea began to be suggested that the hitherto sporadic cases of infantile paralysis might be contagious.
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How long does a polio vaccine last?

If you're planning to travel to a polio-affected country, you should get vaccinated if you've not been fully vaccinated before, or have a booster dose if it's been 10 years or more since your last dose of the vaccine. Read more about travel vaccinations.
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Can smallpox come back?

Smallpox was eradicated (eliminated from the world) in 1980. Since then, there haven't been any recorded cases of smallpox. Because smallpox no longer occurs naturally, scientists are only concerned that it could reemerge through bioterrorism.
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Are smallpox and chickenpox the same thing?

Smallpox and chickenpox might seem similar. They both cause rashes and blisters. They both have “pox” in their names. But other than that, they're completely different diseases.
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What does smallpox look like?

The rash looks like red bumps that gradually fill with a milky fluid. The fluid-filled bumps are all in the same stage at the same time, compared to chickenpox, where the skin blisters are in different stages of appearance with a mix of blisters, bumps, and crusted lesions at a given time.
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Do schools still do the TB jab?

Schoolchildren will no longer be immunised against tuberculosis after public health experts decided the vaccination programme has little impact on control of the disease, the government said today.
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