A vaccine strategy involving formulation changes, an initial escalating dose, and a longer wait for booster immunization results in more effective antibody production against HIV in rhesus monkeys, a study finds.
As more and more people are infected with the Omicron Covid-19 variant, it will eventually help build herd immunity to the coronavirus, officially known as SARS-COV-2.
Estudiantes de la Universidad de Arizona ganan $1,000 por participar en este estudio de Covid-19 | Univision Phoenix KTVW univision.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from univision.com Daily Mail and Mail on Sunday newspapers.