Multiple choice general knowledge science & technology What is the mask used to prevent the spread of H1N1? N007 W585i SN59 N95 Reveal answer Fill a bubble to check yourself D Correct answer Explanation N95 masks are specifically designed to filter at least 95% of airborne particles and are recommended for preventing H1N1 influenza transmission. The other options (N007, W585i, SN59) are not standard respirator designations.