Table 1: Participant responses to question whether they had experienced symptoms in the past year

Symptom June 2016 Jan-Feb 2018
N=64 % of N N=62 % of N
Headache 34 53.1 28 45.2
Nasal Congestion 20 31.3 13 21.0
Drowsiness 18 28.1 10 16.1
Fatigue 14 21.9 9 14.5
Dizziness 14 21.9 5 8.1
Cough 14 21.9 7 11.3
Frustration 14 21.9 6 9.7
Dyspepsia 13 20.3 6 9.7
Allergic Reaction 13 20.3 7 11.3
Rash 11 17.2 9 14.5
Irritated Eyes 11 17.2 3 4.8
Conjunctivitis 8 12.5 2 3.2
Dry Throat 8 12.5 6 9.7

Participants reported high perceived importance for all items on the survey in both stages of the study. Distribution data is reported in Table 2.