1. multimorbid*.mp.

2. multi$morbid*.mp.

3. multimorbidity.mp.

4. exp multimorbidity/

5. "multiple chronic condition*".mp]

6. "multiple disease*".mp.

7. multi$disease*.mp.

8. "multiple chronic disease*".mp

9. multi$patholog*.mp.

10. multipathology.mp.

11. polypatholog*.mp.

12. poly$patholog*.mp.

13. poly$morbid*.mp.

14. pluri$patholog*.mp.

15. . "chronic condition*".mp.

16. "chronic disease*".mp.

17. comorbid*.mp.

18. co$morbid*.mp.

19. exp Comorbidity/

20. poly$diagnos*.mp.

21. 1 or 2 or 3 or 4 or 5 or 6 or 7 or 8 or 9 or 10 or 11 or 12 or 13 or 14 or 15 or 16 or 17 or 18 or 19 or 20

22. prevalence.mp.

23. exp Prevalence/

24. epidemiology.mp.

25. Epidemiology/

26. pattern*.mp.

27. cluster*.mp.

28. 22 or 23 or 24 or 25 or 26

29. "sub Saharan Africa".mp.

30. SSA.mp.

31. "Africa South of the Sahara"/

32. Angola OR Benin OR Botswana OR Burkina Faso OR Burundi OR Cameroon OR cape Verde OR Central African Republic OR Chad OR Comoros OR Congo Democratic Republic OR Cote d'ivoire OR Ivory Coast OR Djibouti OR Equatorial Guinea OR Eritrea OR Ethiopia OR Eswatini Gabon OR Gambia OR Ghana OR Guinea OR Guinea Bissau OR Kenya OR Lesotho OR Liberia OR Madagascar OR Malawi OR Mali OR Mauritania OR Mauritius OR Mozambique OR Namibia OR Niger OR Nigeria OR Rwanda OR Sao Tome and Principe OR Senegal OR Seychelles OR Sierra Leone OR Somalia OR South Africa OR South Sudan OR Sudan OR Swaziland OR Tanzania OR Togo OR Uganda OR Zambia OR Zimbabwe

33. 29 or 30 or 31 or 32

34. 21 and 28 and 33