Acute HIV Syndrome
Eclipse Phase (7-21 days): HIV cannot be detected in blood, but is replicating in mucosa, sub-mucosa and draining lymphoreticular tissues.Diagnosis:4th generation Tests: Detects both ag and ab: Decreases Virus-Positive-Ab-Negative Window by 5 daysViral RNA testing in Plasma: Decreases this Window by an additional 7 days.Ref:Acute HIV-1 Infection NEJM 2011Case 11-2009: A 47-Year-Old Man with Fever, Headache, Rash, and Vomiting