Posted in Web AstraZeneca COVID-19 vaccine shown to be effective and … December 14, 2020 AstraZeneca is the third major drug company to report late-stage data for a potential COVID-19 vaccine as the world waits for scientific breakthroughs that will end a pandemic that has pummeled … https://www.ctvnews.ca/health/coronavirus/astrazeneca-covid-19-vaccine-shown-to-be-effective-and-cheaper-1.5200355