Officials say they are working to educate visitors about requirements ahead of Oct. 15 reopening

COVID-19 testers change into new personal protective equipment during free, drive-through testing with S&G Labs at Afook-Chinen Civic Auditorium in Hilo on Monday, Sept. 28, 2020. Free testing is available from 9 a.m. to 12 p.m. on Mondays and Fridays and 4 p.m. to 7 p.m. on Wednesdays. (Kelsey Walling/Hawaii Tribune-Herald)

COVID-19 testers with S&G Labs wait to test people during free, drive-through testing at Afook-Chinen Civic Auditorium in Hilo on Monday, Sept. 28, 2020. S&G Labs will be providing free testing on Mondays, Wednesdays and Fridays for the foreseeable future. (Kelsey Walling/Hawaii Tribune-Herald)

Despite spending more than $150 million on traveler screening and contact tracing, state officials say contact tracers have only received meaningful responses from about 50% of travelers.