Infectious Agents Vocabulary Exit Ticket

Tiny, single-celled organisms that can be found almost everywhere and can be both helpful and harmful to humans.​​ (a)  

• Bacteria
• Fungi
• Host
• Infectious Agents (Pathogen)
• Vaccine
• Virus

A type of organism that includes mushrooms, yeasts, and molds. They can be found in soil, on plants, and in the air. Some fungi can cause infections.​ (a)  

• Fungi
• Host
• Infectious Agents (Pathogen)
• Vaccine
• Virus
• Bacteria

A living organism that provides a home or nourishment for another organism.​ ​ (a)  

• Host
• Infectious Agents (Pathogen)
• Vaccine
• Virus
• Bacteria
• Fungi

Microorganisms, such as bacteria, viruses, fungi, and parasites, that can cause disease in humans.​ (a)  

• Infectious Agents (Pathogen)
• Fungi
• Host
• Vaccine
• Virus
• Bacteria

A substance that helps protect against a specific disease by stimulating the immune system to produce antibodies to fight the disease.​ (a)  

• Vaccine
• Fungi
• Host
• Virus
• Bacteria
• Infectious Agents (Pathogen)

A tiny infectious agent that can only reproduce inside a host cell. Some viruses can cause infections in humans.​ (a)  

• Virus
• Fungi
• Host
• Bacteria
• Infectious Agents (Pathogen)
• Vaccine