Anjing pahlawan Alaska yang mencegah epidemi difteri pada tahun 1925 | Sejarah
When Dr Curtis Welch arrived to check on a very sick three-year-old patient at his small hospital on January 20, 1925, his worst fears were confirmed. A thick, slimy membrane had developed on the toddler, Billy Barnett’s tonsils, along with reddish lesions in his mouth. The increase in tonsillitis cases in Nome, Alaska, including fatal … Baca Selengkapnya