How was influenza so lethal internationally in the early 1900s?

How was influenza so lethal internationally in the early 1900s?

• A. People didn't realize they had the disease and spread it to their loved ones.
• B. Many soldiers stationed throughout the world during World War II returned to their home countries infected.
• C. People didn't wash their hands properly.
• D. The communication among all the nations' healthcare providers was erroneous as to how it

Answer: (B)

The main idea is that the influenza pandemic spread internationally mainly because of massive troop movements during a war, which carried the virus around the world. In 1918, soldiers were deployed and then returned home from various theaters, traveling across oceans and continents in crowded ships, camps, and trenches. This created perfect conditions for a new, highly contagious virus to move quickly from one country to another, hitting populations with little time to develop immunity and with limited medical knowledge or vaccines to fight it. The option that mentions soldiers returning from World War II describes a later period and doesn’t fit the historical timing of the 1918 pandemic; the core concept is that global spread was driven by wartime troop movement, not by handwashing alone or by miscommunications among healthcare providers.

The main idea is that the influenza pandemic spread internationally mainly because of massive troop movements during a war, which carried the virus around the world. In 1918, soldiers were deployed and then returned home from various theaters, traveling across oceans and continents in crowded ships, camps, and trenches. This created perfect conditions for a new, highly contagious virus to move quickly from one country to another, hitting populations with little time to develop immunity and with limited medical knowledge or vaccines to fight it. The option that mentions soldiers returning from World War II describes a later period and doesn’t fit the historical timing of the 1918 pandemic; the core concept is that global spread was driven by wartime troop movement, not by handwashing alone or by miscommunications among healthcare providers.