What does BCG mean in VACCINE
BCG stands for Bacillus Calmette-Guerin, a weakened strain of the bacterium that causes tuberculosis (TB). The BCG vaccine is used to prevent TB, a serious and potentially fatal infection.
BCG meaning in Vaccine in Medical
BCG mostly used in an acronym Vaccine in Category Medical that means Bacillus Calmette-Guerin
Shorthand: BCG,
Full Form: Bacillus Calmette-Guerin
For more information of "Bacillus Calmette-Guerin", see the section below.
BCG Vaccine
- Mechanism of Action: BCG stimulates the immune system to produce antibodies and cellular immunity against Mycobacterium tuberculosis.
- Administration: Administered as a single intradermal injection in childhood.
- Efficacy: Provides partial protection against TB, reducing the risk of severe forms such as meningitis and miliary TB.
- Duration of Immunity: The protective effect of BCG lasts for several years, but may vary depending on the individual.
Indications for BCG Vaccination
- Infants and children living in areas with high TB prevalence.
- Individuals at high risk of TB exposure, such as healthcare workers and travelers to endemic areas.
Contraindications and Precautions
- Severe immune deficiency, such as HIV infection.
- Active TB or recent exposure to TB.
- Systemic illnesses or fever.
- Pregnancy or breastfeeding.
Side Effects of BCG Vaccination
- Local Reaction: Pain, swelling, and redness at the injection site (common).
- Regional Lymphadenopathy: Enlargement of nearby lymph nodes (less common).
- Generalized Reactions: Fever, malaise, and rash (rare).
Essential Questions and Answers on Bacillus Calmette-Guerin in "MEDICAL»VACCINE"
What is BCG?
How does the BCG vaccine work?
The weakened bacteria in the BCG vaccine stimulate the body's immune system to produce protective antibodies and specialized immune cells that recognize and fight off TB bacteria.
Who should get the BCG vaccine?
The BCG vaccine is recommended for infants and young children in countries where TB is common. It is also recommended for people at high risk of TB exposure, such as healthcare workers and travelers to high-risk areas.
Is the BCG vaccine safe?
Yes, the BCG vaccine is generally considered safe. However, as with any vaccine, there can be mild side effects, such as redness, swelling, or fever at the injection site.
How effective is the BCG vaccine?
The BCG vaccine is approximately 80-85% effective in preventing severe forms of TB, such as meningitis and disseminated disease. It is less effective in preventing pulmonary TB, the most common form of the disease.
Can the BCG vaccine cause tuberculosis?
In very rare cases, the weakened bacteria in the BCG vaccine can cause TB in people with weakened immune systems. However, this risk is extremely low.
What are the alternatives to the BCG vaccine?
There are no other licensed vaccines for preventing TB. However, preventive measures such as early diagnosis and treatment of infected individuals, improving living conditions, and providing access to healthcare can help control the spread of TB.
Final Words: BCG vaccination is a crucial public health intervention for preventing tuberculosis. It provides partial protection and reduces the severity of TB cases. However, it is essential to weigh the benefits and risks of BCG vaccination and consult with a healthcare professional for appropriate recommendations.
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