Hello Cherie:   This is the response from our Holland rep...    As part of our COVID-19 protocols onboard all of our ships, we’ve implemented air management and ventilation strategies to maximize the use of outside, fresh air and the air exchange rate on board in public areas and suites. Where feasible, we utilize enhanced filters and other technologies to mitigate risk. Current evidence shows that fresh air is effective in reducing the concentration of airborne contaminants,