Which type of vaccine contains a weakened form of the pathogen?Live attenuated vaccineInactivated vaccineSubunit vaccineToxoid vaccine
Question
Which type of vaccine contains a weakened form of the pathogen?
- Live attenuated vaccine
- Inactivated vaccine
- Subunit vaccine
- Toxoid vaccine
Solution
The type of vaccine that contains a weakened form of the pathogen is called a live attenuated vaccine.
Live attenuated vaccines are made from living pathogens that have been weakened in the laboratory so they cannot cause disease in healthy individuals. These vaccines are effective in eliciting a strong immune response as they closely mimic a natural infection, allowing the immune system to recognize and respond to the actual pathogen more effectively if encountered in the future.
In contrast, inactivated vaccines use killed pathogens, subunit vaccines contain only parts of the pathogen, and toxoid vaccines contain inactivated toxins produced by the pathogen. Live attenuated vaccines often provide long-lasting immunity with fewer doses compared to other types of vaccines.
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