Girls, hi! I'm sick today, I took a PCR test, but the results haven't …

Girls, hi! I'm sick today, I took a PCR test, but the results haven't come out yet. Yesterday I saw a doctor, she diagnosed me with pharyngitis and prescribed Tamiflu and gargling. I have chills, fever, weakness, cough, and now vomiting and diarrhea. The problem is that milk isn't coming out. We've been exclusively breastfeeding since birth, my son has been crying all day, never like this before. He also wanted to eat constantly, I see there's no milk, I try to express - nothing comes out. Two hours ago he couldn't eat, I relaxed, went to the shower, drank water, had tea. But when we tried to