| what does pertussis cough sound like | 0.72 | 0.2 | 6028 | 36 | 36 |
| pertussis cough sounds like | 0.89 | 0.7 | 1143 | 27 | 51 |
| what does pertussis sound like | 0.69 | 0.1 | 6506 | 30 | 39 |
| what does pertussis look like | 1.94 | 0.3 | 3062 | 29 | 44 |
| pertussis sound in adults | 0.35 | 0.8 | 8140 | 25 | 94 |
| video of pertussis cough | 0.51 | 0.9 | 4734 | 24 | 37 |
| what is the characteristic sign of pertussis | 1.69 | 0.8 | 1540 | 44 | 36 |
| what are pertussis symptoms | 1.23 | 0.5 | 9740 | 27 | 15 |
| classic signs of pertussis are | 1.02 | 0.3 | 823 | 30 | 99 |
| the classic symptoms of pertussis is | 1.25 | 0.4 | 5626 | 36 | 97 |
| pertussis whooping cough symptoms | 0.58 | 0.7 | 5340 | 33 | 33 |
| pertussis signs and symptoms | 1.42 | 0.1 | 8232 | 28 | 19 |
| pertussis cough in adults | 0.77 | 1 | 8905 | 25 | 35 |
| signs of pertussis in adults | 1.72 | 0.2 | 8305 | 28 | 67 |
| symptoms of pertussis in adults | 0.16 | 0.7 | 4466 | 31 | 94 |
| symptoms of adult pertussis | 1.81 | 0.7 | 5279 | 27 | 97 |
| signs and symptoms of pertussis in adults | 0.55 | 0.6 | 1603 | 41 | 74 |
| expected manifestations of pertussis | 1.12 | 0.8 | 1385 | 36 | 60 |
| how to diagnose pertussis | 1.88 | 0.2 | 4719 | 25 | 18 |
| pathognomonic sign of pertussis | 0.18 | 0.1 | 625 | 31 | 7 |
