Active Immunity
Definition:Active immunity is a type of protection the body develops against diseases. It happens when your body makes its own antibodies after being exposed to germs (like bacteria or viruses) or after getting vaccinated. This means that your body learns how to fight off the disease if you encounter it again in the future.
Usage Instructions: - "Active immunity" is used as a noun. - You can talk about it when discussing health, vaccinations, and how the body fights infections.
Example: - "After getting the vaccine, she developed active immunity, which helps protect her from the disease."
Advanced Usage: - In a medical or scientific context, you might hear phrases like "active immunity can last for years," indicating how long the body can remember the disease and continue to defend itself.
Word Variants: - There are no direct variants of "active immunity," but you might encounter related terms like: - Passive Immunity: This is when you get antibodies from another source, like a mother to her baby through breast milk, instead of your body making them. - Immunity: This is a broader term that refers to the body's ability to resist disease.
Different Meanings: - The term "active" can also mean engaged or lively in other contexts, but when paired with "immunity," it specifically refers to the immune system's response.
Synonyms: - "Natural immunity" (when the body creates antibodies after an infection) - "Acquired immunity" (a general term for immunity gained after exposure to a disease or vaccination)
Idioms and Phrasal Verbs: - There are no specific idioms or phrasal verbs that directly relate to "active immunity," but you might hear phrases like "build up immunity" which means to strengthen your body's defense against diseases over time.
In summary, "active immunity" refers to the body's ability to protect itself by producing its own antibodies after exposure to pathogens or through vaccination.