I had the bad cold twice. First time was two days of being sick with headache and mild fever, loss of smell and taste a week later. It still hasn't fully come back the same and probably never will. Second time same symptoms except no loss of taste or smell. I don't usually get that type of hard headache and fever, so these were something different than the normal winter cold except that they were just a bad winter cold. I didn't even get to take days off because I refuse to get a fake test for a cold.