Sick with an interview

I have an interview today for a job I desperately need. I have waited a week and a half for this interview and just my luck, I am sick. I even took off work today. I have no voice, constant headache, stuffed nose, sore throat, body aches, and overall look like garbage. 
I am still motivated to go to the interview but I am afraid that me showing up so sick may make a bad impression. I REALLY don't want to reschedule. Whats your opinion? 

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