Children, even those that are vaccinated, may develop rotavirus disease more than once. That is because neither natural infection with rotavirus nor rotavirus vaccination provides full immunity (protection) from future infections. Usually a personâs first infection with rotavirus causes the most severe symptoms.
Because molecules move quicker at higher temperature, causing them to collides more. Since they collides more, reaction occurs to be a lot faster to. And that's why things dissolve quicker in hot water than in room temperature water.
However, hot water, is necessary to get rid of bacteria. Hot water and detergent together attack oils and grime. That oil and grime that you rinse away with the water contains bacteria. Without hot water, detergent is unable to be as effective.