These single-celled organisms can live almost anywhere — even inside you.
Bacteria
Viruses need this to reproduce.
host cell
Mushrooms and molds are examples of this group of organisms.
fungi
Parasites live in or on a host and do this for survival.
feed off it
The common cold
virus
This common bacterial infection causes sore throat and fever, often in children.
Strep Throat
The flu is caused by this type of pathogen.
virus
Athlete’s foot is caused by this type of pathogen.
fungus
This parasite causes malaria and is spread by mosquitoes.
Plasmodium
Ringworm
fungus
Antibiotics are used to treat this type of pathogen, not viruses.
bacterial infections
This virus caused a global pandemic starting in 2020.
COVID-19
Fungal infections often thrive in this type of environment.
warm and moist
Tapeworms live in this part of the human body.
intenstines
Tuberculosis
bacteria
This bacterium causes food poisoning often linked to raw chicken or eggs.
Salmonella
This virus attacks the immune system, leading to AIDS.
HIV
This yeast can cause infections in the mouth or genitals.
Candida (or a yeast infection)
Parasites in the hair are
Head lice
Malaria
parasite
This shape of bacteria looks like tiny spirals.
spirilla (or spirochetes
The process where viruses change slightly over time is called this.
mutation (or viral mutation
Unlike bacteria, fungi have these structures in their cells.
nuclei
This microscopic parasite causes a diarrheal illness called giardiasis.
Giardia
Pneumonia (can be caused by more than one!)
Virus or Bacteria