Related by context. Frequent words. (Click for all words.) 82 occurring 63 occur 63 occured 61 happening 57 occurs 56 occurred 51 occurrence 46 occurrences 45 incidences 44 happen 44 experiencing 43 happened 43 incidence 41 witnessing 41 prevalent 41 happens 40 unfolding 38 onset 37 erupting 37 cropping 37 perpetrated 37 effected 37 arise 36 manifested 36 erupts 36 detected 36 witnessed 35 there 35 creeping 35 underway 35 arises 35 erupt 34 exists 34 disturbances 34 phenomena 34 precipitated 34 impacting 34 afoot 34 localized 34 springing 34 ensue 34 plaguing 33 prevalence 33 caused 33 coming 33 surfacing 33 observed 33 happenings 33 incidents 33 forestall 33 documented 32 plagues 32 flaring 32 accidents 32 magnitude 32 uncontrolled 32 unfold 32 rampant 32 affecting 32 exist 32 decreasing 32 popping 32 there'sa 32 unexplained 32 encountering 32 outbreaks 32 manifestation 31 precedes 31 precede 31 induced 31 originate 31 manifestations 31 staged 31 unfolded 31 triggered 31 coincidental 31 invasions 31 transpired 31 ie 31 symptom 31 inevitable 30 correlate 30 endemic 30 noticeable 30 triggers 30 causes 30 contributing factor 30 unavoidable 30 phenomenon 30 initiating 30 etc 30 harbinger 30 epicenter 30 catastrophic 30 decreases 30 activity 30 slowdowns 29 Widespread 29 genesis 29 norm 29 Barring