11. Is bleach an effective cleaning agent for the coronavirus?
When approved hard surface disinfectants are not available, for household disinfection, a diluted bleach solution can be prepared in accordance with the instructions on the label, or in a ratio of 5 milliliters (mL) of bleach per 250 mL of water OR 20 mL of bleach per liter of water.
This ratio is based on bleach containing 5% sodium hypochlorite, to give a 0.1% sodium hypochlorite solution. Follow instructions for proper handling of household (chlorine) bleach.