Pathogens are tiny organisms that can make you sick if they get inside your body. Viruses, bacteria, fungi, parasites and prions are pathogens.

Oct 21, 2025 · Pathogens—bacteria, viruses, fungi, and parasites—are microorganisms that invade a host and cause illness. Learn more and how to protect yourself.

In biology, a pathogen (Greek: πάθος, pathos "suffering", "passion" and -γενής, -genēs "producer of"), in the oldest and broadest sense, is any organism or agent that can produce disease. A …

Apr 26, 2025 · A pathogen is a living thing that causes disease. Viruses and bacteria can be pathogens, but there are also other types of pathogens.

Aug 4, 2025 · Pathogens are a small, dangerous minority within this microbial universe. They are defined not by their size or structure, but by their relationship with us. A pathogen is any …

Jul 20, 2025 · Our bodies naturally harbor many microbes, most of which are harmless or even helpful. Pathogens are distinct because their survival often depends on establishing …

Pathogens are infectious micro-organisms, germs, or biological agents that cause infectious diseases or illnesses in the host human. The ability of a pathogen to cause disease is called …

Apr 3, 2019 · A pathogen is any organism that causes disease. Viruses, bacteria, fungi, and parasites are all examples of pathogens. Your body is naturally full of microbes.

Pathogens are a group of micro-organisms or parasites that can invade a host and cause disease, and derive their name from the Greek words 'pathos' and 'genesis'.

Jun 13, 2025 · A pathogen is any organism that causes disease. Viruses, bacteria, fungi, and parasites are all examples of pathogens. Your body is naturally full of microbes. However, …