Name any two diseases which are caused by viruses, bacteria, and protozoa.

Viruses, bacteria, and protozoa are all responsible for various diseases. Here are two examples for each:

Diseases Caused by Viruses

• Influenza: Commonly known as the flu, this viral infection affects the respiratory system.
• HIV/AIDS: This virus attacks the immune system, leading to acquired immunodeficiency syndrome.

Diseases Caused by Bacteria

• Tuberculosis: A serious bacterial infection that primarily affects the lungs.
• Strep Throat: An infection caused by streptococcal bacteria, leading to a sore throat and fever.

Diseases Caused by Protozoa

• Malaria: Transmitted by mosquitoes, this disease is caused by protozoan parasites.
• Giardiasis: An intestinal infection caused by the Giardia protozoan, leading to diarrhea and stomach cramps.