Which of the following diseases is caused by a virus and typically lasts 5–10 days?

• A. Salmonellosis
• B. Influenza
• C. Strep throat
• D. Tuberculosis

Answer: (B)

Verified step by step guidance

1. Step 1: Identify the nature of each disease listed. Determine whether each disease is caused by a virus, bacteria, or other pathogens.
2. Step 2: Recall that Salmonellosis is caused by the bacterium Salmonella, so it is a bacterial infection, not viral.
3. Step 3: Recognize that Influenza is caused by the influenza virus, making it a viral infection. It typically lasts about 5–10 days.
4. Step 4: Understand that Strep throat is caused by the bacterium Streptococcus pyogenes, so it is bacterial, not viral.
5. Step 5: Know that Tuberculosis is caused by the bacterium Mycobacterium tuberculosis, which is also bacterial, not viral.