By Daniel Lawler Agence France-Presse PARIS, France (AFP) — People who took a cheap diabetes drug after testing positive for Covid-19 had a 40 percent lower risk of getting long Covid, a US-based study said Friday. The finding was hailed as a potential “landmark” in the fight against the still little-understood condition, which the World Health Organization estimates affects one in 10 people who get Covid. The study said it was the first randomized, placebo-controlled […]