SimilarityRank
an_outbreak_of 0.830 92417
outbreak 0.770 10943
epidemic 0.672 9792
disease_outbreak 0.670 90918
the_outbreak_of 0.659 34755
an_outbreak 0.647 99315
human_case 0.640 92399
pandemic 0.619 26455
bird_flu 0.602 79601
influenza 0.598 26018
avian_influenza 0.592 99042
salmonella 0.585 79933
infection 0.576 2757
an_epidemic 0.574 82990
incidence_of 0.574 38323
hepatitis_A 0.569 96413
plague 0.565 9635
dengue_fever 0.564 87089
swine_flu 0.563 73020
spread_of 0.559 4542
epidemiology_of 0.558 42103
infestation 0.557 27912
cholera 0.557 27526
measles 0.554 26034
pathogen 0.554 11287