Hi..i Had Sex For The First Time With A 35

Hi..i had sex for the first time with a 35 year old woman,i used condom but my mistake was licking her vagina for 3 times ....on the next day onwards..i am feeling cough from 3 days and i felt a little fever for one day...is it a sign off an STD?..specially hiv? Please remove my fears if nothing to be scared or suggest me if something is to be done to avoid my life getting spoiled...