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.
Report Abuse. It was meant to dissolve in hot water. If you put it in cold water, it might dissolve eventually, But it will clump and taste horrible. If you want to have cold coffee, dissolve the instant coffee in a little hot water and then add cold water.ating Newest Oldest. Best Answer: Yes, but the warmer the water is the faster the instant coffee will dissolve. It will dissolve but a whole lot slower than if the water was warm. The colder the water is the slower the water molecules are acting and vice-versa.