The new COVID-19 vaccine boosters barely provide any protection against infection, according to a new study. The boosters, from Pfizer and Moderna, were just 30 percent effective in preventing infection, researchers with the Cleveland Clinic found. The effectiveness falls below the 50 percent effectiveness required by the World Health Organization and originally recommended by the FDA. U.S. regulators have since stopped requiring any clinical efficacy at all. The researchers analyzed data from clinic employees since Sept. 12, shortly after the boosters were authorized by the U.S. Food and Drug Administration (FDA) for the prevention of COVID-19. Out of the nearly...