Honghu, Hubei began an official investigation into a controversial fine of ¥42630 (US$6110.54) on a local pharmacy for selling 44,000 single-use masks stocked at ¥0.6 (US$0.086) each for ¥1 (US$0.143) each, as it violated a province-wide ban on selling medical items related to the epidemic 15% above the stocking price during the epidemic.