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resistance, susceptibility, vulnerability, proneness


Prefix im-, Aid and Assistance, Certainty and Conviction, Conservation and Protection, Endurance and Resilience, Health and Hygiene



How to pronounce immunity (audio)


Dictionary definition of immunity

The state or condition of being immune, which implies having a heightened resistance or protection against a particular disease, infection, or harmful substance.
"A strong immune system is essential for maintaining overall health and well-being."

Detailed meaning of immunity

It is the ability of an organism, such as a human or animal, to defend itself against pathogens or toxins and prevent their detrimental effects. Immunity is a complex biological process involving the immune system, which consists of various specialized cells, tissues, and organs. When the immune system recognizes a foreign invader, such as a virus or bacteria, it mounts a response to neutralize or destroy the threat. Immunity can be acquired naturally through previous exposure to a pathogen, resulting in the development of antibodies and memory cells that provide long-term protection. It can also be obtained artificially through vaccination, where a weakened or inactivated form of the pathogen is introduced to stimulate an immune response without causing illness. Immunity plays a crucial role in maintaining overall health and well-being by safeguarding the body against harmful agents and promoting resilience in the face of potential threats.

Example sentences containing immunity

1. Vaccination provides immunity against certain diseases.
2. The body's immune system plays a vital role in defending against infections.
3. Some people have natural immunity to certain viruses.
4. The doctor recommended boosting my immunity through a healthy diet and exercise.
5. The child's immunity to chickenpox prevented them from getting sick.
6. The flu shot helps to strengthen immunity against influenza.

History and etymology of immunity

The noun 'immunity' is derived from the same Latin root as the adjective 'immune.' It originates from the Latin word 'immunitas,' which combines 'in' (meaning 'not') and 'munus' (meaning 'obligation' or 'duty'). In ancient Rome, 'immunitas' referred to the exemption from certain civic duties or obligations, often granted as a special privilege. Over time, the term expanded to encompass the concept of protection from diseases, infections, or harmful substances. 'Immunity' thus denotes the state or condition of being immune, implying a heightened resistance or protection against specific diseases, infections, or harmful agents. The etymology of 'immunity' highlights the idea of exemption or protection, underlining the role of our immune system in safeguarding the body against health threats.

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Further usage examples of immunity

1. The immune response is crucial in developing long-lasting immunity.
2. Her immunity to poison ivy allowed her to walk through the forest unscathed.
3. The study found a correlation between stress levels and weakened immunity.
4. The vaccine program aims to create herd immunity within the population.
5. Travelers are advised to check their immunity status before visiting certain countries.
6. The body's immune cells work together to fight off infections and maintain immunity.
7. The doctor prescribed supplements to boost my immunity during flu season.
8. The immune system recognizes and attacks foreign substances to maintain immunity.
9. Malnutrition can compromise the body's immunity, making individuals more susceptible to illnesses.
10. The research focused on understanding the mechanisms of acquired immunity.
11. The immune response generates antibodies to provide immunity against specific pathogens.
12. The newborn baby receives passive immunity through antibodies transferred from the mother.
13. The discovery of a new strain of virus raised concerns about its impact on population immunity.
14. The scientist's groundbreaking research led to advancements in understanding innate immunity.

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