Vaccine passport could be in place by May 1 for interisland travelers

Jessi Mickow takes advantage of a billowing steam vent at Hawaii Volcanoes National Park in Volcano on Monday, April 12, 2021. (Kelsey Walling/Hawaii Tribune-Herald)

A child runs down Kilauea Iki trail while walking with his family in Hawaii Volcanoes National Park in Volcano on Monday, April 12, 2021. (Kelsey Walling/Hawaii Tribune-Herald)

A family looks over a lookout on the Kilauea Iki trail at Hawaii Volcanoes National Park in Volcano on Monday, April 12, 2021. (Kelsey Walling/Hawaii Tribune-Herald)

A group of people begin warm up Monday near a steam vent in Hawaii Volcanoes National Park. (Kelsey Walling/Hawaii Tribune-Herald)

Quarantine exemptions for some fully vaccinated travelers could begin as early as May 1.