HONOLULU – A couple were arrested at a Hawaii airport after traveling from the U.S. mainland despite knowing they were infected with COVID-19, authorities said.Wesley Moribe, 41, and Courtney Peterson, 46, boarded a United Airlines flight to Lihue with a 4-year-old child after testing positive for the coronavirus while returning home from international travel and transiting between Seattle, San Francisco and Hawaii, the Kauai Police Department said.The couple took a COVID-19 test in Seattle after returning from abroad, police said, then received their positive results while flying between Seattle and San Francisco.“The test taken in Seattle returned positive, but the couple was already en route to San Francisco,” a Kauai police spokeswoman.