How does a pathogen work?
it damages body tissues which leads to disease symptoms
A pathogen is a disease-causing microorganism such as a virus, bacterium, fungus, or parasite that can invade the body and cause illness. Pathogens have various ways of working to cause disease, but generally, they follow a similar pattern:
1. Entry: Pathogens gain entry into the body through various means such as inhalation, ingestion, or direct contact with an infected person or surface.
2. Attachment: Pathogens attach themselves to host cells in the body using surface proteins or other structures.
3. Invasion: Once attached, pathogens invade the host cells and begin to replicate and spread throughout the body.
4. Damage: As pathogens reproduce and spread, they cause damage to host tissues, leading to symptoms such as fever, inflammation, and tissue destruction.
5. Transmission: Pathogens can be transmitted from person to person through various means such as coughing, sneezing, or direct contact.
Overall, a pathogen works by invading and damaging host tissues, disrupting normal bodily functions, and spreading to other individuals to continue the cycle of infection.
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