There are a lot of explanations besides Caucasians being less suseptable. Because of monitoring by authorities one could imagine any Caucasians becoming infecte

There are a lot of explanations besides Caucasians being less suseptable. Because of monitoring by authorities one could imagine any Caucasians becoming infected are buisness people and wealthy-ish travellers. They would be healthy with few co-morbidities, are identified during initial symptoms (because of screening) and treated at world class facilities and monitored closely (quarantine and research).