Why is BCG injection given?

Why do we inject BCG?

The BCG vaccine is an injection given to children who have a higher risk of catching TB. The BCG vaccine helps your child’s immune system fight the germs that cause TB and helps stop them from getting serious TB disease.

Why is BCG given in left arm?

The vaccine is given just under the skin (intradermally), usually in the left upper arm. This is the recommended site, so that small scar left after vaccination can be easily found in the future as evidence of previous vaccination.

Does BCG prevent TB?

BCG vaccine has a documented protective effect against meningitis and disseminated TB in children. It does not prevent primary infection and, more importantly, does not prevent reactivation of latent pulmonary infection, the principal source of bacillary spread in the community.

How long does BCG vaccine stay in your system?

Although most studies of the immune response to BCG in humans focus on peripheral blood, punch biopsies at the vaccination site have revealed that live BCG persists until at least 4 weeks post-vaccination in previously unvaccinated adults.

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What happens if BCG is not given?

Delaying BCG vaccination from birth to 10 weeks of age may result in an enhanced memory CD4 T cell response.

What should I do if I don’t have a BCG scar?

The formation of the BCG vaccine scar is not necessary. It usually takes 3 to 6 months for the scar to form. If there is no scar, one needs to do Mantoux test. If negative, one should give repeat BCG.

At what age is BCG vaccine given?

Immunization of infants with Bacille Calmette-Guérin vaccine (BCG) can protect against TB meningitis and other severe forms of TB in children less than five years old. BCG vaccine is not recommended after 12 months of age because the protection provided is variable and less certain.

When do you get TB vaccine?

Who should get the tuberculosis vaccine? The tuberculosis vaccine is recommended only for those children living with someone with TB who either cannot take the antibiotics required to treat the infection or who is infected with a strain that is highly resistant to all antibiotics.

Why is BCG given in right arm?

Expert Answer : BCG is given in the left upper arm in India and in right upper arm in Nepal. This is done in India to make it uniform policy so that in case of aurveillane,it is easier to look for the scar at one place.

Can I bathe my baby after BCG vaccine?

You can wash and bath your child and take them swimming as normal. The sore may take several months to heal completely, and a small scar is likely to remain. If you are worried or you think the sore has become infected, see your doctor. Are there any reasons why my child should not have the BCG vaccination?

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What should I do if my baby cries a lot after shots?

After vaccination, children may be fussy because of pain or fever. To reduce discomfort, you may want to give your child a medicine such as acetami n- ophen or ibuprofen.