Internet rumors if you can not buy 75% ethanol, you can buy 99.7% anhydrous ethanol, diluted to 75% for disinfection, this method has operability. According to the ratio, 99.7% anhydrous ethanol and 1 water according to the more 3:1 ratio configuration, you can get 75% of the alcohol for disinfection. In the case that you can not buy medical disinfection alcohol, it can be used as disinfection supplies. Note that disinfection is limited to the surface of door handles, cell phones, car door handles, etc., and needs to be kept ventilated after wiping. It should not be sprayed in large quantities in a closed environment or directly on the surface of clothes.