Viruses like SARS-CoV-2 use sugar molecules to hide from the immune system, but scientists at Scripps Research have designed a universal coronavirus vaccine that strips these sugars and exposes a stable, rarely mutating part of the spike protein. This approach triggered strong immune responses in
Many long COVID infections are causing/caused significant damage to organs (https://pmc.ncbi.nlm.nih.gov/articles/PMC11834749/). A vaccination isn’t going to reverse organ damage.