Chasing Regeneron, AZ starts trials of its COVID-19 antibody cocktailThe first patients have been dosed in a trial of two AstraZeneca antibodies, collectively known as AZD7442, that Share XChasing Regeneron, AZ starts trials of its COVID-19 antibody cocktailhttps://pharmaphorum.com/news/chasing-regeneron-az-starts-trials-of-its-covid-19-antibody-cocktail/