My son brought his wife and new baby home from the hospital this is their 5th child, they are wonderful parents . They picked up their 4 boys from grandmas house on their way home . Their oldest 7 yrs had a fever laster on thier 3rd son 3yrs can down with fever , this was Sunday night ,Tuesday they took they to doctor tested them and sent them home . Wedesday 4th son came down with fever 2 yr. Yesterday 2nd son came down with fever 6yr . They all still get fever different times of the day. They baby sister is now 7 days old . We picked up the boys and brought them to our house. Question is do they need to stay away or not?