Diseases: Contagious... or Not?

For each disease or condition, say whether it is contagious (communicable from one human to another) or not.
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interopia
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Last updated: January 8, 2026
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First submittedOctober 7, 2021
Times taken1,645
Average score86.7%
Rating4.81
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1. Common cold
Contagious
Not contagious
2. Asthma
Contagious
Not contagious
3. Diabetes
Contagious
Not contagious
4. Tourette syndrome
Contagious
Not contagious
5. Epilepsy
Contagious
Not contagious
6. Obesity
Contagious
Not contagious
7. Alzheimer's disease
Contagious
Not contagious
8. Ebola
Contagious
Not contagious
9. Arthritis
Contagious
Not contagious
10. Cancer
Contagious
Not contagious
11. Chicken pox
Contagious
Not contagious
12. Influenza
Contagious
Not contagious
13. Cerebral palsy
Contagious
Not contagious
14. HIV/AIDS
Contagious
Not contagious
15. Measles
Contagious
Not contagious
16. Crohn's disease
Contagious
Not contagious
17. Schizophrenia
Contagious
Not contagious
18. Polio
Contagious
Not contagious
19. Scarlet fever
Contagious
Not contagious
20. Typhoid fever
Contagious
Not contagious
21. Yellow fever
Contagious
Not contagious
22. Syphilis
Contagious
Not contagious
23. Mumps
Contagious
Not contagious
24. Tuberculosis
Contagious
Not contagious
25. Gout
Contagious
Not contagious
26. Lupus
Contagious
Not contagious
27. Tetanus
Contagious
Not contagious
28. Mononucleosis
Contagious
Not contagious
29. Lyme disease
Contagious
Not contagious
30. Malaria
Contagious
Not contagious
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8 Comments
+2
Level 90
Oct 7, 2021
Be sure to also try featured quiz Diseases: Virus... or Bacteria?
+1
Level 64
Oct 19, 2021
I'm awful... 23%?

(I mean, i am not a scientist)

+1
Level 32
Mar 31, 2022
Haha really fun! xD
+1
Level 27
May 29, 2022
Great idea
+1
Level 68
Sep 28, 2022
Got them all, nice.
+1
Level 83
Dec 3, 2022
almost 100%! that darn malaria ruined it
+1
Level 63
Nov 18, 2024
all but two!
+1
Level 56
May 23, 2025
Great idea. Perhaps consider making this a series?