haigusetekitajad
Haigusetekitajad, also known as pathogens, are microorganisms or other agents that can cause disease or illness in a host organism. These agents are diverse and include bacteria, viruses, fungi, and protozoa. Some pathogens can also be prions, which are misfolded proteins. Each type of pathogen has a different mechanism of action and can affect various parts of the body.
Bacteria are single-celled organisms that can reproduce independently. Some bacteria are harmless or even beneficial, residing
The transmission of haigusetekitajad can occur through various routes, including direct contact with an infected person