The World Health Organization counts at least 23 vaccines against COVID-19 in some stage of clinical trials around the world. Early results from drug makers Moderna and AstraZeneca have been encouraging, but a viable vaccine remains months away at a minimum.
Here & Now’s Peter O’Dowd checks in on a few of the leading efforts to vaccinate against the coronavirus with Helen Branswell at STAT.
This article was originally published on WBUR.org.
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