Question 1

My father recovered from COVID about 45 days ago. He was hospitalized from April 9th to 16th. In his recent blood report, the CD4/CD8 ratio appears to be low. Could you please help me understand what this means.

Question 2

Hello, I have deficiencies in both vitamin D and B12. When I take supplements, my levels improve, but if I stop the medicine even for a month, the levels drop again. Why does this happen, and what can I do to maintain normal vitamin levels?

Question 3

Hello Doctor, for the past three days, I have been experiencing nausea (especially when standing), numbness throughout my body, a constant cold feeling in my feet, excessive sleepiness (I sleep around 18 hours a day), a dry throat, and loss of appetite due to food tasting different. On the first day of these symptoms, I visited a doctor who gave me an injection and advised me to get a blood test, which I have attached here. He also mentioned that my blood pressure has been consistently low, around 70, for two consecutive days. I am feeling very uneasy and worried.

Why do they draw so much blood for a blood test?

They only draw 10 mililitres max

More COMPLETE BLOOD COUNT (CBC) Health Queries

My father recovered from COVID about 45 days ago. He was hospitalized from April 9th to 16th. In his recent blood report, the CD4/CD8 ratio appears to be low. Could you please help me understand what this means.

Hello, I have deficiencies in both vitamin D and B12. When I take supplements, my levels improve, but if I stop the medicine even for a month, the levels drop again. Why does this happen, and what can I do to maintain normal vitamin levels?