WASHINGTON, United States (AFP) — The US Food and Drug Administration updated its warning labels Monday for the Johnson & Johnson Covid-19 vaccine to include information about an observed “increased risk” of a rare neurological disorder called Guillain-Barre Syndrome (GBS). The news is a further blow for the company, which was granted an emergency use authorization for its shot in February but has played a minor role in America’s coronavirus immunization campaign. Based on analysis […]