AstraZeneca just announced results from its US-based trial. It found the vaccine to be 79% effective and safe for use, despite recent concerns around reports of blood clots.
Religious opposition over a link to abortions performed decades ago and misunderstandings about effectiveness could lead to a nightmare of angry patients and wasted vaccine.
The Johnson & Johnson vaccine is different from the Moderna and Pfizer vaccines in a few important ways that could make it a huge help to global vaccination efforts.