SimilarityRank
influenza 0.921 17313
flu 0.884 7168
Influenza 0.870 47326
vaccine 0.864 8077
pandemic 0.844 22984
pertussis 0.844 61015
measles 0.831 31884
H5N1 0.829 35572
rotavirus 0.826 82713
meningococcal 0.821 89555
dengue 0.814 44634
Flu 0.811 27354
vaccines 0.811 12666
vaccination 0.802 15659
Tamiflu 0.801 58208
Measles 0.801 93119
norovirus 0.792 89325
Swine 0.788 45975
pneumococcal 0.785 77954
SARS 0.780 46429
meningitis 0.779 30455
swine 0.778 20853
mumps 0.769 63582
varicella 0.768 92938
MRSA 0.767 27764