HONOLULU, Hawaii (HawaiiNewsNow) -- The state Health Department says a case of COVID with the so-called South African mutation has been detected in an Oahu adult with no history of travel. It’s the first such infections in Hawaii. Nationally, at least 80 cases have been confirmed, the CDC said. Officials are holding a news conference Monday to discuss the news. WATCH LIVE: The discovery is concerning because the B.1.351 variant is known to be more transmissible. It also contains a mutation that could make it less responsive to antibodies formed naturally by someone who has had COVID or by a...