Pathogens

Front

What are pathogens?

Back

Pathogens are microorganisms that can cause disease in hosts, including humans, animals, and plants.

Front

Name the four main types of pathogens.

Back

The four main types of pathogens are viruses, bacteria, fungi, and parasites.

Front

What is a virus?

Back

A virus is a non-living pathogen that requires a host cell to reproduce and can cause various diseases.

Front

How do vaccines work?

Back

Vaccines stimulate the immune system to recognize and fight specific pathogens, usually viruses or bacteria.

Front

What is the difference between infectious and non-infectious diseases?

Back

Infectious diseases can be spread from person to person, while non-infectious diseases cannot.

Front

What is a bacterium?

Back

A bacterium is a single-celled living organism that can be beneficial or harmful to humans.

Front

How do fungi reproduce?

Back

Fungi can reproduce through spores, which can be carried through the air.

Front

What is a parasite?

Back

A parasite is an organism that lives on or in a host and benefits at the host's expense.

Front

How do viruses reproduce?

Back

Viruses reproduce by infecting host cells and using the host's machinery to make copies of themselves.

Front

What is an example of a viral disease?

Back

An example of a viral disease is influenza (the flu).