[Generally supposed to have been named from the mildness of the disease. (Fagge, Princ. & Pract. Med., I. 234, conjectures an allusion to chick-pease.)]

1

  The common name for Varicella, a mild eruptive disease, bearing some resemblance to small-pox, which chiefly attacks children.

2

1727–38.  Chambers, Cycl., s.v. Pox, Chicken Pox, a cutaneous disease, frequent in children, wherein the skin is covered with pustules like those of the small pox.

3

1800.  Med. Jrnl., III. 440. Is there not the strongest probability that the swine and the chicken pox derived their origin, at some distant period, from the animals whose names they take…?

4

1809.  Mar. Edgeworth, Manœuvring, i. (1831), 2. I have just heard that there is a shocking chicken-pox in the village.

5

  b.  Chicken-pock: the pustule of this disease.

6

1780.  Hunter, Small Pox, in Phil. Trans., LXX. 134. Sometimes … there is a pitt in consequence of a chicken pock.

7