The new patients aged 19 to 40 years and symptoms showed from November 7 and 18, MSPAS reported.
All patients are at-home screening, the source said.
Out of the 172 confirmed cases, 125 have already recovered, no deaths reported so far.
Four people are considered as suspected cases and five others are under surveillance.
MSPAS called on people to be informed about how the disease is transmitted, mainly by contact with body fluids or skin lesions.