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Doctor insights on: Bcg Vaccine For Tuberculosis

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What are the disadvantages of the BCG vaccine against tuberculosis?

What are the disadvantages of the BCG vaccine against tuberculosis?

Always will be PPD+: Apart from the effectiveness debate, those who receive BCG as TB vaccine will always be ppd+ (or be hypersensitive to ppd) which can require imaging such as chest xrays to prove that there is no active disease, when previously a negative PPD would suffice. ...Read more

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Dr. Scott Lindquist
586 doctors shared insights

Mycobacterium Tuberculosis Infection (Definition)

Mycobacterium tuberculosis is an infectious organism that spreads by droplets coughed out by an infected person. Infection is established initially in lungs, but can spread within lungs & to other body parts, or can become latent, with reactivation occurring years to decades later. With effective treatment, it can be completely eliminated although drug resistant ...Read more


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What are the positive benefits of the BCG vaccine against tuberculosis?

What are the positive benefits of the BCG vaccine against tuberculosis?

Active TB prevention: The major role of BCG vaccine is TB prevention. Bcg vaccine is also effective for protection against leprosy and disease due to nontuberculous mycobacteria. The efficacy of bcg-protection against active tb- is about 50%, and the duration of protection is believed to be 10 to 15 years. ...Read more

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Why isn't the BCG vaccine given in the usa?

Why isn't the BCG vaccine given in the usa?

TB is rare here: The use of bcg in areas where TB in relatively common does slow the spread of the problem.However, TB has been rare in the us for many decades & the need for such a vaccine has not shown a true benefit. ...Read more

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Can a kid get TB even after he has been given the BCG vaccine?

Can a kid get TB even after he has been given the BCG vaccine?

Yes: Bcg vaccine given in childhood can prevent a fair amount of extra pulmonary TB in children. It has never been used routinely in the usa for a variety of reasons, only some of which are reasonable. ...Read more

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Can baby get TB from someone who has recieved the BCG vaccine?

Can baby get TB from someone who has recieved the BCG vaccine?

Evaluation: Individuals who are vaccinated with BCG though can still get TB, since the protection by the vaccination decreases over time,. Babies have immature immune systems, so if there is any doubt, a TB test can be performed. ...Read more

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Bcg vaccine but no sign of red dot or swelling is that normal?

Bcg vaccine but no sign of red dot or swelling is that normal?

Normal no: Usually get small reaction after shot. Some might not. The natural course after BCG is after 6 to 8 weeks swelling appears that grows can exude fluid , ulcerate then scar. Now the scar is the most simple and convenient way to see successof vaccine. Rarely there might not be a scar but if there is no scar after 6 months see ur dr to do a mantoux TB test, if it is negative probably repeat bcg. ...Read more

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What're the advantages and disadvantages of the BCG vaccine for tb?

What're the advantages and disadvantages of the BCG vaccine for tb?

BCG VACCINE: Bcg vaccine is still being given to new born babies in several countries .It is effective in protecting againt TB meningitis in children but its effectiveness against pulmonary tuberculosis is variable usa and holland have never used it routinely, due to surveilance with monyoux test disadvantages except making difficult to interpret motoux test in us, and not very effective for pulmonary tuberculo. ...Read more

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My 4 week old has large amount of pus in bcg vaccine is that normal?

My 4 week old has large amount of pus in bcg vaccine is that normal?

Pus means infection: A large amount of pus could mean infection which is one of the complications of vaccines. It needs to be checked by a doctor. ...Read more

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Bcg vaccine caused no sign of red dot or swelling. So is that normal?

Bcg vaccine caused no sign of red dot or swelling. So is that normal?

Bcg vaacine: If your question is that you have had BCG vaccine and your PPD test did not show any red dot or swelling, that means you do not need any further testing, you do not have any evidence of tb. ...Read more

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Is it worth getting the BCG vaccine for a teen going to india on exchange?

Is it worth getting the BCG vaccine for a teen going to india on exchange?

BCG VACCINE: Bcg vaccine is not recommended in us.But if your teenage child is going to be in high risk contact with TB patients, like working or studying in healthcare field, only than it may be justified. ...Read more

Dr. Klaus D Lessnau
1,184 doctors shared insights

Tuberculosis (Definition)

Is an infection in the body with mycobacterium tuberculosis. It is almost always acquired via the respiratory tract from which it can spread to other organs. After that, the immune system walls the bacteria off. All of this usually occurs without symptoms. After that, activation of the infection can occur in about 10% of the total patients. Half of this risk is in ...Read more


Dr. Mark Diamond
1,058 doctors shared insights

Vaccinations (Definition)

Latin word for cow, vacca, because of the smallpox/cowpox work of edward jenner, vaccination is the administration of a substance, live organism or otherwise, that stimulates the immune response to prevent a specific disease. Primarily a preventative procedure, some vaccines can ...Read more