"For those depending on subsistence farming, the total or partial crop failure occasioned by poor weather in 1918 and lack of seed supplies worsened the poor health of the population."
"Urbanization in the developing world is bringing more and more rural residents into denser neighborhoods, while population increases are putting greater pressure on the environment. ... These macro trends are having a profound impact on the spread of infectious disease."
"...just look at what is happening in New York. Just a few days ago there was one confirmed case, and now there is 105."