चेचक  =  smallpox
A serious infectious disease now extremely rare that causes fever, leaves permanent marks on the skin and often causes death

बड़ी माता  =  smallpox
A serious infectious disease now extremely rare that causes fever, leaves permanent marks on the skin and often causes death

उपदंश  =  the pox
An infectious disease caused by the treponema pallidum spirochete; symptoms change through progressive stages; can be congenital transmitted through the placenta