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
i think only the USa DOESNT routinely vaccinate it against it, because they havnt found much efficacy, TB endemic areas do vaccinate against it, but it has limited efficacy. on the plus side, it is used with cancer therapy as a indirect effect to stimulate the immune system.