| pertussis cough sound in adults | 0.72 | 1 | 6391 | 31 | 34 |
| pertussis sound in adults | 1.25 | 1 | 1229 | 25 | 45 |
| pertussis cough in adults | 0.54 | 0.6 | 3824 | 25 | 47 |
| what does pertussis sound like | 1.26 | 0.9 | 8760 | 30 | 10 |
| video of pertussis cough | 0.48 | 0.6 | 2309 | 24 | 4 |
| signs of pertussis in adults | 1.25 | 0.8 | 1604 | 28 | 26 |
| pertussis in adults symptoms | 1.52 | 0.1 | 4227 | 28 | 94 |
| signs and symptoms of pertussis in adults | 1.12 | 0.1 | 4697 | 41 | 63 |
| pertussis symptoms in adults and treatment | 0.84 | 0.9 | 6372 | 42 | 46 |
| what is pertussis in adults | 1.46 | 0.8 | 6443 | 27 | 40 |
| the classic symptoms of pertussis is | 0.69 | 1 | 6529 | 36 | 13 |
| pertussis or whooping cough | 1.25 | 0.6 | 7263 | 27 | 4 |
| classic signs of pertussis are | 0.76 | 0.4 | 9960 | 30 | 42 |
| symptoms of adult pertussis | 0.56 | 0.4 | 271 | 27 | 60 |
| pertussis whooping cough symptoms | 0.53 | 0.7 | 5841 | 33 | 100 |
| pertussis signs and symptoms | 0.85 | 0.1 | 5460 | 28 | 32 |
| pertussis 100 day cough | 0.28 | 0.7 | 7090 | 23 | 73 |
| what are pertussis symptoms | 1.62 | 0.3 | 4977 | 27 | 61 |
| how to diagnose pertussis | 1.56 | 0.7 | 7303 | 25 | 7 |
