Clarifying a Misunderstanding

I recently started working as an SDE contractor at a FAANG. This morning, I wasn’t feeling well (I had a bad cold and a mild fever) so I asked my advisor if I could skip our call. I took some medicine and a nap, and after about an hour of rest, I felt much better. Since I didn’t want to fall behind, I decided to go to the office.

The problem is, I forgot to let my advisor know that I was feeling better. When he saw me at work during a team meeting, he assumed I had lied about being sick. I tried to explain what happened, but he didn’t seem to believe me and said it’s not possible to recover that quickly.

I feel terrible about this because I really love working with my team and want to prove myself here. Is there anything I can do to clear the air and fix this misunderstanding?