I got told by my doc yesterday i got swine flu?

i dont no if im supposed to pick my 11 month old son up or just not kiss him as i dont want him to catch it, i also have a 2 yr old , 4yr, 8 yr but i no babys was a bit more of a concern at one point, when am i not infectious to people, i started taking tamiflue yesterday evening but brought up the 2 tablets iv had. so does that mean i didnt get any thing