DNA is a helical, double-stranded molecule that bears the genetic code. During the replication of DNA, its two strands are separated from each other resulting in a configuration called the replication fork. The replication fork is comprised of two prongs wherein each prong is the single strand of DNA.
The earliest signs of an HIV infection are flu-like symptoms that include fever, rash, swollen lymph nodes, headache and fatigue, according to Mayo Clinic. These symptoms usually appear between 30 and 60 days after a person has been infected, and they may be mistaken for another viral infection. Keep Learning.
Within 2-4 weeks after HIV infection, many, but not all, people experience flu-like symptoms, often described as the âworst flu ever.â This is called acute retroviral syndrome (ARS) and itâs the bodyâs natural response to the HIV infection. Symptoms can include: 1  Fever (this is the most common symptom). 2  Swollen glands.