Jun 17, 2025 · Pathogens are tiny organisms that can make you sick if they get inside your body. Viruses, bacteria, fungi, parasites and prions are pathogens.

Apr 3, 2019 · Pathogen types There are different types of pathogens, but we’re going to focus on the four most common types: viruses, bacteria, fungi, and parasites.

Humans can be infected with many types of pathogens, including prions, viruses, bacteria, and fungi, causing symptoms like sneezing, coughing, fever, vomiting, and potentially lethal organ …

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.

The ability of a pathogen to cause disease is called pathogenicity. The degree to which an organism is pathogenic is called virulence. There are five main types of pathogens: virus, …

Nov 10, 2025 · Explore the four primary classifications of pathogens. Discover how their unique structures determine disease mechanisms and routes of spread.

Apr 29, 2025 · Explore the diverse types of pathogens and their subtle impacts on human health, enhancing your understanding of disease mechanisms.

Apr 26, 2025 · Learn everything you need to know about pathogens and how they may affect your health. Discover what the pros and cons are as well as the risks and benefits.

Revise the four main types of pathogens: bacteria, viruses, fungi, and protists. Learn how they cause disease and how the body defends itself. Includes real-world disease examples.

Below are the categories of pathogens that we currently know about. Some are more well-known than others. It is important to remember that often the symptoms - and even disease …