Probably they made an assumption after the definition of "vaccine" was changed on there earlier this year. https://web.archive.org/web/20210108224740/https://w

Probably they made an assumption after the definition of "vaccine" was changed on there earlier this year. https://web.archive.org/web/20210108224740/https://www.merriam-webster.com/dictionary/vaccine https://web.archive.org/web/20210108224740/https://www.merri... vs. https://www.merriam-webster.com/dictionary/vaccine https://www.merriam-webster.com/dictionary/vaccine