Table 2

Leading vaccine-preventable diseases in terms of research output, overall and by subregion

RankAfricaEasternWesternCentralSouthern
1TB
(n=9121, median=57)
TB (93%)TB (37%)TB (32%)TB (98%)
2Hepatitis B
(n=1195, median=12)
Hepatitis B (6%)Hepatitis B (11%)Polio (14%)Hepatitis B (9%)
3Measles
(n=715, median=8)
HPV (5%)Polio (9%)Hep. B (12%)HPV (7%)
4HPV
(n=664, median=7)
Measles (5%)Measles (7%)Measles (9%)Rotavirus (9%)
5Dengue/cholera
(n=547‚ÄČand 524, median=z5)
Dengue/cholera (4% each)Pneumococcus (7%)Dengue/cholera (9% each)Measles/pneumococcus(3% each)
  • N: total number of papers, median: median number of papers per country.

  • %: percentage of total vaccine-preventable disease publications relating to specific disease; percentages do not sum to 100% due to overlap between categories.

  • HPV, human papilloma virus; TB, tuberculosis.