Contextual analysis of mean and standard deviation of different density dames indicated that the period from day 1 (18 February) through day 16 (6 March) was the prodrome of the epidemic, whereas days 86 (15 May) to 106 (4 June) marked the declining phase of the outbreak.
It's a sign that the HIV is developing into AIDS. 1  Flaky, red skin is also a sign of later stage HIV. The spots may also look like boils or bumps.  A skin rash usually doesn't accompany the flu or a cold, so if you have one at the same time as other symptoms, see a doctor right away.
The Acute HIV Syndrome (AKA Acute Retroviral Syndrome) is a flu-like illness that occurs between 2 and 4 weeks after exposure (within the window you are referring to). Symptoms include fever, sore throat, swollen lymph nodes, and muscle soreness. The symptom of runny nose and sneezing is on the list of possibilities, but this is fairly non-specific. The symptoms then last for up to 2 weeks and resolve. Most patients that are exposed to HIV get this syndrome. I would suggest a couple things.