With thanks to @fauxparse!
| Rank | Count | Word |
|---|---|---|
| #1 | 28 | flu |
| #2 | 16 | new |
| #3 | 11 | swine |
| #4 | 10 | vaccine |
| #5 | 10 | i'm |
| #6 | 10 | air |
| #7 | 8 | study |
| #8 | 7 | story |
| #9 | 7 | #swineflu |
| #10 | 7 | old |
| #11 | 6 | crash |
| #12 | 6 | disease |
| #13 | 6 | cases |
| #14 | 6 | today |
| #15 | 6 | iran |
| #16 | 6 | health |
| #17 | 5 | severe |
| #18 | 5 | passengers |
| #19 | 5 | yr |
| #20 | 5 | rt |
| #21 | 5 | women |
| #22 | 5 | video |
| #23 | 5 | problems |
| #24 | 5 | day |
| #25 | 4 | way |
| Rank | Count | Word |
|---|---|---|
| #26 | 4 | uk |
| #27 | 4 | cells |
| #28 | 4 | airlines |
| #29 | 4 | lotro |
| #30 | 4 | china |
| #31 | 4 | conduct |
| #32 | 4 | arrest |
| #33 | 4 | shows |
| #34 | 4 | using |
| #35 | 4 | don't |
| #36 | 4 | |
| #37 | 4 | pilots |
| #38 | 4 | risk |
| #39 | 4 | joss |
| #40 | 4 | medical |
| #41 | 4 | public |
| #42 | 4 | moon |
| #43 | 4 | folks |
| #44 | 4 | game |
| #45 | 4 | good |
| #46 | 4 | awesome |
| #47 | 4 | hope |
| #48 | 4 | trying |
| #49 | 4 | death |
| #50 | 4 | jet |