The Spanish Flu of 1918 occurred during World War I and killed between 30 to 50 million people worldwide. Which best explains the spread of this virus?
The Spanish Flu quickly became a pandemic due to the close quarters and distances traveled by troops.
The Spanish Flu quickly became an epidemic due to the close quarters and distances traveled by troops
O The Spanish Flu quickly became a pandemic due to the lack of antibiotics and poor hygiene of the troops.
o The Spanish Flu quickly became an epidemic due to the lack of antibiotics and poor hygiene of the troops.