LONDON, United Kingdom (AFP) — Pharmaceutical giant AstraZeneca on Tuesday revealed it had hit a setback in trials of a treatment for Covid-19 symptoms. The drug, made from a combination of two antibodies, failed its main goal to treat symptoms in exposed patients, the company said in a statement. The treatment has been undergoing phase 3 or final-stage clinical trials to assess its safety and efficacy. AstraZeneca said that 1,121 unvaccinated adults had been exposed […]