Influenza

A heavy pandemic of influenza that infected 500 million across the world between 1918 and 1920. Influenza. Influenza is a contagious viral infection that affects the respiratory system and has caused significant outbreaks throughout history.

Influenza Definition - Easy to Understand | GradesUp.gg
Influenza Definition - Easy to Understand | GradesUp.gg

Influenza: A heavy pandemic of influenza that infected 500 million across the world between 1918 and 1920. Influenza. Influenza is a contagious viral infection that affects the respiratory system and has caused significant outbreaks throughout history.

GradesUp

Study: Students took a test on unknown facts in 9th-12th Grade US History and scored an average of 10%. After using GradesUp while playing games for 5 hours, their average score increased to over 70%.