The BCG vaccine is used to prevent tuberculosis and other mycobacterial infections.
Understanding the BCG Vaccine
The Bacillus Calmette-Guérin (BCG) vaccine is a live attenuated vaccine derived from Mycobacterium bovis. It's primarily known for its role in tuberculosis prevention.
Key Uses of the BCG Vaccine
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Tuberculosis (TB) Prevention: The primary and most well-known use of the BCG vaccine is to protect against TB, especially severe forms like TB meningitis and disseminated TB in children.
- The vaccine is most effective in preventing these severe forms of TB in young children.
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Other Mycobacterial Infections: In addition to TB, the BCG vaccine offers some protection against other mycobacterial infections.
- This broader protection is less pronounced than its effect on TB but is still a valuable benefit.
Historical Context
The BCG vaccine was developed by Calmette and Guérin and first administered to humans in 1921. It is currently the only available vaccine for Tuberculosis. (03-Jul-2023)
Summary Table
| Use | Description |
|---|---|
| Tuberculosis Prevention | Protects against severe forms of TB, particularly in children (TB meningitis, disseminated TB). |
| Other Mycobacterial Infections | Offers some level of protection against mycobacterial infections beyond TB. |
