“…Thus Clemmer (1964) compared a number of her isolates (Strains 65, 93 and 95) with four GAL strains (Sharpless, 1962) and EV89 (Burke et al, 1959) and was able to divide these isolates into two serological groups. Group A consisted of GAL1, GAL2, strain 65 and strain 95 and Group B of GAL3, GAL4, strain 93 and EV89.…”