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Stimulate the immune system to fight specific pathogens.
They introduce harmless pathogens to trigger an immune response.
They are weakened or killed to prevent causing illness.
They provide long-term protection against previously encountered pathogens.
They produce antibodies that target specific antigens.
An organism that causes disease.
Direct contact involves physical interaction, while indirect contact involves contaminated surfaces.
Bacteria become insensitive to antibiotics due to overuse.
It helps prevent the spread of pathogens and supports overall health.
Washing hands with soap for at least 20 seconds.
It helps kill harmful pathogens ingested with food.
Physical barriers like skin and mucous membranes.
They bind to antigens and mark them for destruction.
It may lead to insufficient immunity against the disease.
They engulf and digest pathogens.