"Most vaccines induce our body to make antibodies to fight different pathogens, but HIV disguises itself, so that even if we do make antibodies, the virus changes to escape them."
https://publichealth.jhu.edu/2022/why-dont-we-have-an-hiv-vaccine
"The SARS-CoV-2 is a pleomorphic, enveloped, positive-sense, single-stranded RNA virus with a genome size ranging from 26 to 32 kilobases (Gorbalenya et al. 2020; Lu et al. 2020a)."
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7373339/
"The report, published in the very early days of the virus and entitled “Uncanny similarity of unique inserts in the 2019-nCoV spike protein to HIV-1 gp120 and Gag”, claimed to have found “4 insertions in the spike glycoprotein (S) which are unique to the 2019-nCoV and are not present in other coronaviruses”, adding that these four “unique” spikes were similar to some DNA sequences in HIV-1 (the most common type of HIV)."
https://www.reuters.com/article/uk-factcheck-hiv-covid-explained-idUSKBN29C26E
"in the 1930’s, Rife was able to observe and prove the reality of pleomorphism"
https://educate-yourself.org/cn/pleomorphismdiscoverysuppresion16nov03.shtml