Taking a Day Off for a Mild Cold

I went out last night, and when I came back, I started feeling a little unwell. I haven't been able to concentrate all day today, and I really don't feel like what I'm writing has any spark. I'm asking to take a day off and rest.

I'm stuck at this point, and I'm really sorry, everyone. T.T

(Although I haven't taken a nucleic acid test, I don't think I've tested positive. At the start of winter, I got sick twice in one month, with upper and lower respiratory infections taking turns, and neither time was positive. The odds shouldn't be that high.)