
Susan Page @SusanPage
"Count Piotr Aleksandrovich, among the other duties of the Welfare Boards in the Provinces entrusted to you, one of the most important should be the introduction of inoculation against smallpox, which, as we know, causes great harm, especially among the ordinary people," — PolitiTweet.org
USA TODAY @USATODAY
An immunization letter written by Catherine the Great has sold for over $1 million. The letter's lure is the "sta… https://t.co/KeJc0aBRrs