Stomach virus

Its 3:15 here and i do believe either the stomach virus or food poisioning has roared its ugly head at us. My youngest daughter was up before midnight throwing up my 10 year old was up at 2 letting it rip. Im 37 weeks and 2 days. The good thing is if its food poisioning i havent ate anything that they have. But if its the virus what are some things i can do to keep the virus at bay around the house so i can try my best not to get sick???