What treatment is used for Norovirus?

according to ww.webmd.com

'No antiviral drug can treat noroviruses, but in healthy people, the illness should go away on its own within a couple of days. Most people don't have any long-term problems from the virus. To prevent dehydration, make sure to drink plenty of liquids, especially water and juices'

answer; /// i believe that the correct answer is (c) the concentration of active ingredients in a medication

answer; the correct answer is medical care service field;