Final answer:
Bacteria and viruses are common pathogens for infectious diseases, whereas fungi is not.
Step-by-step explanation:
One of the common pathogens for infectious diseases is bacteria. These are single-celled microorganisms that can cause various illnesses such as strep throat, urinary tract infections, and pneumonia. Another common pathogen is viruses, which are even smaller than bacteria and can cause diseases like the flu, common cold, and COVID-19. Fungi is not considered one of the common pathogens for infectious diseases. However, fungi can cause infections such as athlete's foot and fungal pneumonia.
Learn more about pathogens for infectious diseases