“…Librach (1952) published a case of encephalitis and later (1954) another. Other individual reports of encephalitis have come from Landes et al (1941), Zohman andSilverman (1942), Geliebter (1946), Slade (1946), Schneider and Michelson (1947), Dolgopol and Husson (1949), McNeel (1951), and Hubler, Bailey, Campbell, and Mathieson (1951. Nineteen of the 59 cases collected by Silversides and Richardson (1950), four of the 34 reported by Bernstein and Wolff (1950), and 15 of the 71 reviewed by Leibowitz (1953) were encephalitic.…”