Eric Walker added Massachusetts smallpox epidemic - Wikipedia to 1633 Massachusetts smallpox epidemic

Eric Walker added How Pandemics End - The New York Times to a number of topics

Eric Walker added How Pandemics End - The New York Times and Massachusetts smallpox epidemic - Wikipedia to Massachusetts smallpox epidemic, and added Massachusetts smallpox epidemic to Smallpox and Outbreaks, epidemics and pandemics

Eric Walker added 1633 Massachusetts smallpox epidemic and Use of smallpox as a biological weapon and a number of links to Smallpox, and added Smallpox to Variola major and Infectious disease (ID)

Eric Walker added a number of topics and a number of links to Outbreaks, epidemics and pandemics, and added Outbreaks, epidemics and pandemics to Infectious disease (ID)