Susan P Buchbinder and colleagues express concern that COVID-19 vaccines utilizing replication-defective adenovirus vectors of human serotype 5 (HAdV-5) might increase the risk of HIV-1 acquisition. Such concern has prompted hesitancy to deploy available, safe, and efficacious adenovirus-based COVID-19 vaccines in countries with high HIV-1 incidence.
This is from the Lancet, a medical journal so it's pretty technical, but...
Simple translation - The destruction of your immune system by the CV-19 jab plus the fact that they actually included an HIV vector in the "vaccine" leaves those that have taken the jab susceptible for AIDS (acquired immunodeficiency syndrome).