Katherine L O'Brien

Medicine & Life Sciences

1. Pneumococcal Vaccines 100%
2. Conjugate Vaccines 99%
3. Pneumonia 77%
4. Vaccines 69%
5. Pneumococcal Infections 64%
6. Child 56%
7. Streptococcus pneumoniae 55%
8. Serogroup 54%
9. North American Indians 42%
10. Vaccination 26%
11. Respiratory Syncytial Viruses 19%
12. Systematic Reviews 16%
13. Immunization 15%
14. HIV 15%
15. Epidemiology 15%
16. Appointments and Schedules 13%
17. Case-Control Studies 13%
18. Population 12%
19. Haemophilus influenzae type b 12%
20. 13-valent pneumococcal vaccine 12%
21. Income 12%
22. Confidence Intervals 11%
23. Antibodies 11%
24. Respiratory Tract Infections 11%
25. Pediatrics 10%
26. Sputum 10%
27. Incidence 10%
28. Polysaccharides 10%
29. 10-valent pneumococcal conjugate vaccine 10%
30. South Africa 9%
31. Mortality 9%
32. Gastroenteritis 8%
33. Meta-Analysis 8%
34. Respiratory System 8%
35. Polymerase Chain Reaction 7%
36. Kenya 7%
37. Thorax 7%
38. Randomized Controlled Trials 7%
39. Safety 7%
40. Infections 7%
41. Rotavirus 6%
42. Odds Ratio 6%
43. Rotavirus Vaccines 5%
44. Meningitis 5%
45. Anti-Bacterial Agents 5%
46. Immunoglobulin G 5%
47. Coronavirus 5%
48. Mothers 5%