Lasts L|A|S|T|S L|AE|SH|T|SH L|A|SH|T|SH from P|R|AH|M F|R|O|M P|R|O|M two to T|O seven days JH|E + I|Z D|A|Z JH|A|Z D|E + I|S JH|E + I|S D|A|S JH|A|S Febrile phase P|E + I|Z F|A|Z P|A|Z F|E + I|S P|E + I|S F|A|S P|A|S