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
cold might be harder since theres different viral species that causes it, and rhinoviruses alone account for 80-90% have 99 different types. flu is worst thought since its symptoms are more severe, and dangerous to some people.