Thrush is a fungal infection that usually occurs in the mouth, and results from a change in the balance of bacteria and yeast in the body that normally keep the fungus under control. Thrush can be spread between people, especially between a mother and her breastfeeding infant, who may reinfect each
Enteroviruses consist of 68 serotypes and usually cause self-limited infections in children. Enterovirus 71 (EV71) was first isolated in California in 1969.