I read a Washington Star article............about Dc in the early 1900s......there were outbreaks of malaria................it said u could see the poisonous gases in SE...........from the Capital building......which is why they have pics of Capital hill on the same dc metro car....

Swamps and the City of Washington | H-DC | H-Net

https://networks.h-net.org/node/28441/.../swamps-and-city-washington

In describing a site on the history of the Mall in Washington, DC ["The Mall," at .... and southeast toward the Eastern Branch of the Potomac (Anacostia River); the ... By the 1880s or so, substantial mud flats had accreted in front of the original site. ..... Malariaand yellow fever were not uncommon in all cities when the District ...

The Perfect Predator: Malaria Makes a Comeback – Sonia ...

soniashah.com/articles.../the-perfect-predator-malaria-makes-a-comeback...

... CSPAN: BookTV talk on PANDEMIC · TEDMED, Washington DC September 2014 ... It wasn't that mosquitoes terrified, per se, but rather the malignant microbes ... I stumbled across a soft, fat cylinder in a dark alley near my grandmother's flat. ..... When mutant parasites immune to the chloroquinated salt emerged in the .