t. Louis was roughly one-third as high as in Pittsburgh. These things work.
Source: Does closing schools slow the spread of coronavirus? Past outbreaks provide clues | Science | AAAS
Interesting news items (etc) found and linked.
t. Louis was roughly one-third as high as in Pittsburgh. These things work.
Source: Does closing schools slow the spread of coronavirus? Past outbreaks provide clues | Science | AAAS