About Smallpox - Centers for Disease Control and Prevention | CDC (.gov)

About Smallpox  Centers for Disease Control and Prevention | CDC (.gov)

Opinion: Lessons of Smallpox eradication and COVID-19 - AJC.com

Opinion: Lessons of Smallpox eradication and COVID-19  AJC.com

Infectious diseases: Smallpox watch - Nature

Infectious diseases: Smallpox watch  Nature

Smallpox Virus (Variola) Vaccine, Causes, Symptoms, Incubation - MedicineNet

Smallpox Virus (Variola) Vaccine, Causes, Symptoms, Incubation  MedicineNet

Forgotten vials of smallpox found near D.C. - USA Today

Forgotten vials of smallpox found near D.C.  USA Today

Facing Down the World's Deadliest Pathogens in a BSL4 Lab - Scientific American

Facing Down the World's Deadliest Pathogens in a BSL4 Lab  Scientific American

Multiple diagnostic techniques identify previously vaccinated individuals with protective immunit...

Multiple diagnostic techniques identify previously vaccinated individuals with protective immunity against monkeypox  Nature