Thank you for your reply to my earlier message. It was quite helpful...
I've been reading among the forum that many people who experience acute hiv
symptoms will often complain of fever, malaise, myalgia, and so on. I can see how these non-specific symptoms can be attributed to the release of chemicals (cytokines and interleukins) from the immune system in response to the acute infection (at least, I assume that is what is happening).