Medicine and Dentistry

1. COVID-19 100%
2. Symptom 94%
3. Severe Acute Respiratory Syndrome Coronavirus 2 61%
4. Infection 44%
5. Disease 21%
6. Cohort Analysis 18%
7. Association 18%
8. Vaccine 17%
9. Reinfection 14%
10. Anosmia 12%
11. Surveillance 11%
12. Prospective Cohort Study 11%
13. Observational Study 11%
14. Ecological Study 11%
15. Symptomatology 11%
16. Incidence 10%
17. Age 9%
18. Health Care 9%
19. Odds Ratio 9%
20. Health 9%
21. Anxiety 8%
22. Race 7%
23. Prevalence 7%
24. Ageusia 7%
25. Mental Health 7%
26. Analysis 7%
27. Older Adult 6%
28. Ethnic Groups 6%
29. Hospital 6%
30. Personal Protective Equipment 5%
31. Body Mass Index 5%
32. Case-Control Study 5%
33. Depression 5%
34. Child 5%
35. Malignant Neoplasm 5%
36. Delirium 5%
37. Dietary Supplement 5%
38. Side Effect 5%
39. Diet 5%
40. Vaccine Hesitancy 5%
41. Epidemiological Surveillance 5%
42. Hepatitis D 5%
43. Screening 5%