| cdc covid 19 healthcare workers | 0.47 | 0.7 | 4886 | 31 | 33 |
| cdc covid 19 healthcare worker return to work | 1.67 | 0.6 | 5302 | 45 | 65 |
| cdc covid 19 guidelines healthcare workers | 1.13 | 0.5 | 6676 | 42 | 93 |
| cdc covid 19 guidance for healthcare workers | 0.06 | 0.5 | 9527 | 44 | 91 |
| cdc covid 19 updates for healthcare workers | 1.1 | 0.8 | 4963 | 43 | 33 |
| covid 19 vaccine for healthcare workers cdc | 1.47 | 0.3 | 8279 | 43 | 2 |
| cdc healthcare return to work covid | 1.73 | 0.2 | 7106 | 35 | 26 |
| cdc covid 19 return to work | 0.02 | 0.6 | 81 | 27 | 71 |
| covid 19 cdc return to work policy | 0.79 | 0.4 | 2453 | 34 | 13 |
| cdc guidelines covid 19 return to work | 1.36 | 0.4 | 3975 | 38 | 78 |
| cdc healthcare provider return to work covid | 1.06 | 0.2 | 3065 | 44 | 70 |
| cdc return to work covid | 1.87 | 0.4 | 5715 | 24 | 65 |
| cdc guidelines return to work covid-19 | 0.61 | 0.9 | 239 | 38 | 51 |
| cdc guidelines for returning to work covid-19 | 0.25 | 0.1 | 1719 | 45 | 46 |
