Before the CDC had anything to say to the US public about COVID, their influenza page said six feet.
And I was like ????
My first assumption was, Hey it's been a century, I bet there's been more science between then and now. Presumably somebody has disproven Doust & Lyon if the CDC thinks it's 6 ft.
Certainly, as a graduate student in a medical field, I was quite explicitly told not to trust old research papers. My school had a standard that any research paper more than 5 years old was not to be, well, cited for one thing, but really considered valid at all.
🧵