It's cheap and easy to make. So why can't this Houston-born COVID-19 vaccine break into the US? - Houston Chronicle

It's cheap and easy to make. So why can't this Houston-born COVID-19 vaccine break into the US?  Houston Chronicle

source: https://www.houstonchronicle.com/news/houston-texas/health/article/texas-covid-19-vaccine-peter-hotez-16554334.php

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