varioloid

/ˈvɛriəˌlɔɪd/
adjective
  1. Resembling smallpox in appearance or symptoms, but usually milder.
    • The varioloid symptoms included fever and a few scattered pustules.
    • Doctors recognized the varioloid lesions as a sign of a modified form of the disease.
    • The patient developed a varioloid rash that was less severe than typical smallpox.
noun
  1. A mild form of smallpox that occurs in people who have been previously vaccinated or have partial immunity.
    • Varioloid is less contagious and less deadly than classic smallpox.
    • The nurse had seen several cases of varioloid in older patients who had been vaccinated decades earlier.
    • The outbreak was identified as varioloid because of its mild course and sparse rash.