hand foot and mouth

my 2 yrd old might have hand foot and mouth (dr apt tomorrow to confirm) and now I'm worried my newborn (2 week old) might have it or get it. my 2 yr old loves hugging and kissing her little brother and kids are contagious with hfam before any symptoms show so I'm figuring there is a pretty good chance he will have it too. I'm not looking forward to having 2 sick kids home with me for 1 week.. .1 sick and cranky kid can be a lot never mind 2! send me good vibes!