Question

The most common infection worldwide is ________.

1) tuberculosis
2) HIV/AIDS
3) measles
4) influenza

Answer 1

Influenza, commonly known as the flu, is the most common infectious disease worldwide, causing thousands of deaths annually and capable of causing both epidemics and pandemics.

Step-by-step explanation:

The most common infection worldwide is influenza. Influenza, or the flu, is caused by an orthomyxovirus and significantly impacts the upper respiratory tract. It can become severe, extending into the lower respiratory tract. Each year, influenza causes a significant number of deaths globally, ranging from 3,000 to 50,000 in the United States alone. The widespread nature of influenza, along with its capacity to trigger seasonal epidemics and occasional pandemics, make it the most common infectious disease worldwide.