1897

Almroth Wright publishes paper on his successful typhoid vaccine, though only 14,000 out of 330,000 British troops received the vaccine during the South African War of 1898 (Macfarlane, 54-55). New York enacts first voluntary, then compulsory, notification of TB (Ott, 129). Development of glycerinated lymph (glycerinated vaccine) to preserve and dilute vaccine before it was transferred to sealed glass tubes (Liebenau, 80).