top of page


Containing Ebola: Fear, Caregiving, and Outbreak Response
What is Ebola really — and how does it spread? This episode explores Ebola transmission, pathogenesis, outbreak history, and the 2026 Bundibugyo Ebola outbreak in DRC and Uganda.

Heather McSharry, PhD
May 2031 min read


Field Notes Issue 1
Issue #1 When Systems Adapt On flexibility, vectors, and persistence Welcome to the first issue of Field Notes. Each week, I take one idea from the episode—something that feels like a hinge point—and follow it where it leads. Not to repeat the science, but to see what it reveals. In the Margins What makes murine typhus unusual isn’t the pathogen—it’s the flexibility of the system. The transmission cycle used to be a closed loop of rats, fleas, and humans. Now the system inclu

Heather McSharry, PhD
Apr 142 min read


Travel Bugs & Holiday Hugs: Staying Healthy on the Road
Summary Holiday travel is stressful enough without adding surprise stomach bugs or mid-flight fevers to the mix. In this episode of Infectious Dose, we get practical — not paranoid — about staying healthy on the road. From what to pack in your carry-on (hello, sanitizer and snacks) to navigating airport crowds, plane air, travel germs, kid meltdowns, and post-trip weird rashes, we’re covering it all with science, humor, and zero shame. Whether you’re traveling with toddlers,

Heather McSharry, PhD
Nov 5, 202518 min read
bottom of page