I got the flu

So I got, what feels like, the flu yesterday. Painful muscle aches, intestinal cramps, fever, cold sweats. Today I am feeling much better but still sick. My mother-in-law is visiting and she had the same thing 4 days ago. I'll have to wait to see who else in the family gets it. I did not go in to get tested for flu or swine flu, it's not that bad.