"A member of a scientific coalition advising Puerto Rico's government on the coronavirus pandemic recently joked about the island's high Covid-19 vaccination rate, attributing it to the proliferation of drug store chains on the island." [https://edition.cnn.com/2021/10/24/us/puerto-rico-covid-vaccination-rate/index.html](https://edition.cnn.com/2021/10/24/us/puerto-rico-covid-vaccination-rate/index.html)