|How long have I been poz?
Jul 14, 2004
Hi, I recently tested poz (two weeks ago). The immediate follow up was done and my doctor gave me my cd4 count the next day, it was 315. He was due to take a week long vacation the day after that and told me that he was ok with delaying my next appt. til he returned based on my cd4. I expect to get my viral load with this follow up visit. My question is, is there a way that one can be given a time window of how long you have been infected based on you cd4 and viral load? I'm not looking for an exact date as i know that is impossible, but it would be nice to know to some degree how long i have been poz. Any insight you can offer would be greatly appreciated!
| Response from Dr. Holodniy
Unfortunately, this is a difficult question to answer. Although there are natural history studies that indicate what the average CD4 drop per year is in the absence of treatment(an average of 50-70/yr), this does not help the individual patient in answering the question. You would need to know your starting CD4 count before infection. The normal range is between 500-1500. Many other factors affect CD4 counts including assay used to measure cells, other infections, vaccinations, ongoing illnesses, stress, recreational drug use and time of day the sample is obtained.
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