The Prevalence of COVID-19 Infection in Students and Staff at a Private University in Thailand by Rapid SARS-CoV-2 Antigen Detection Assay

Table 5

The relationship between the initial symptoms, the environment, and the infection rate.

Initial symptom		Infected (%)	Noninfected
Symptomatic	208 cases (8.43%)	15 (7.21%)	193
Nonsymptomatic	2,258 cases (91.57%)	14 (0.62%)	2,244
Environment
Risky	450 cases (18.25%)	21 (4.66%)	429
Not at risk	2,016 cases (81.75%)	8 (0.4%)	2,008

^∗p value less than or equal to 0.05.