I had symptoms immediately, headache, brain fog, and denial. I also couldn't even open my eyes in the sunlight. That's how I knew I was in trouble. As the week went on my symptoms got worse. Unsteady gait. I couldn't stand without swaying back and forth. I couldn't close my eyes or I'd fall over. Worsening headache, crying. Neck and back pain as well showed up about a week later. The whooshing sounds didn't show up until about a month into this. Intense ear pain as well.