| Word | Count | Word | Count | Word | Count | Word | Count |
| vaccine | 213 | uk | 22 | vaccination | 13 | johnson | 11 |
| covid | 154 | million | 21 | data | 12 | rollout | 11 |
| doses | 37 | get | 18 | emergency | 12 | second | 10 |
| says | 37 | new | 18 | vaccinated | 12 | start | 10 |
| vaccines | 36 | people | 18 | receive | 12 | effective | 9 |
| pfizer | 34 | oxford | 17 | health | 12 | efficacy | 9 |
| us | 33 | fda | 17 | dose | 12 | americans | 9 |
| first | 32 | week | 14 | use | 11 | next | 9 |
| coronavirus | 30 | astrazeneca | 14 | could | 11 | administered | 8 |
| moderna | 27 | days | 14 | trial | 11 | pfizerbiontech | 8 |