Infectious Diseases
1 / 15What disease, once called 'consumption,' was the leading cause of death in the 19th century?
About Infectious Diseases
Test your knowledge of infectious diseases throughout history! This free general knowledge activity is built for older adults who want clear, readable browser-based games without sign-up friction.
General knowledge games mix recall, reasoning, and pattern recognition to keep each round varied and mentally engaging. This quiz includes 15 questions, so it works well as a quick session or as part of a longer brain-training routine. A printable version is available if you prefer offline play or want to share the game at home, in a classroom, or in a group setting.
About Infectious Diseases
Infectious Diseases is a free general knowledge quiz with 15 multiple-choice questions with a mix of 8 medium, 6 easy, 1 hard questions. Test your knowledge of infectious diseases throughout history! A typical run takes about 7 minutes, hints are always one tap away, and your streak ticks up the first time you finish a game on a given day.
A few sample questions
1. What pandemic killed an estimated 50-100 million people worldwide in 1918-1919?
Answer: The Spanish Flu
The 1918 Spanish Flu pandemic was one of the deadliest in history, infecting about one-third of the world's population and killing an estimated 50-100 million people.
2. What insect is the primary carrier of malaria?
Answer: Mosquito
Malaria is transmitted by infected female Anopheles mosquitoes. The disease is caused by Plasmodium parasites that infect and destroy red blood cells.
3. The Black Death, which devastated Europe in the 14th century, was caused by what?
Answer: The bacterium Yersinia pestis
The Black Death was caused by the bacterium Yersinia pestis, spread by fleas on rats. It killed an estimated 25-50 million Europeans between 1347 and 1351.
Frequently asked questions
How many questions are in Infectious Diseases?
Infectious Diseases has 15 multiple-choice questions. Each one has four answer options and an explanation that appears after you answer, so you learn something even when you miss.
Is Infectious Diseases free to play?
Yes. The entire SeniorBrainGames catalog — including Infectious Diseases — is free, with no sign-up required, no time limits, and no ads on top of the game. It also works offline once the page has loaded once.
How long does Infectious Diseases take?
Most players finish Infectious Diseases in about 7 minutes. You can pause between questions, replay it as often as you like, and there is no penalty for taking your time — answers are explained after you submit them.
What's a good follow-up after Infectious Diseases?
If you enjoyed this general knowledge quiz, try the Daily Challenge — five rotating questions, refreshed every 24 hours, that count toward your streak. You can also use the Surprise Me button on the homepage to land on a different game type for variety.
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