Good News About COVID-19 Vaccine Will Be Greeted With Mistrust

A sign marks the headquarters of Moderna Therapeutics, which is developing a vaccine against COVID-19, in Cambridge, Mass., on May 18, 2020. Brian Snyder/Reuters

Commentary

The announcement by Moderna of a vaccine against COVID-19 that is “95 per cent effective” understandably raises spirits (and the stock market) for a second time, more even than did the announcement by Pfizer of the previous successful vaccine.