What to do when my social life is non existent?

I have been pretty sick for the past couple of months, and have been just going to uni, and have not hung out with anyone! I feel like I have lost my friends, and feel really out of the loop.

I wish I could have those days where I have people texting me ect.. and excited about life.

Not sure what to do
What to do when my social life is non existent?
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