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From her laboratory in western Montana, Elizabeth Fischer is trying to help people see what they’re up against with COVID-19.
Over the past three decades, Fischer, 58, and her team at the Rocky Mountain Laboratories, part of the National Institutes of Health’s National Institute of Allergy and Infectious Diseases, have captured and created some of the more dramatic images of the world’s most dangerous pathogens.
“I like to get images out there to try to convey that this is an entity, to try to demystify it, so this is something more tangible for people,” said Fischer, one of the country’s leading electron microscopists.
Now, as her renderings of the coronavirus flash across screens worldwide, she said: “You often hear people call it the invisible enemy. It’s trying to put that face out there.” Working in one of the nation’s 13 “Biosafety Level 4” labs — those equipped to safely handle the most dangerous pathogens — Fischer and her team visualize plagues from Ebola to HIV, salmonella to SARS-CoV-2, the coronavirus that causes COVID-19.
The images allow people to see a virus as an elaborate biological structure with weaknesses that can be exploited, yielding clues for researchers about how to develop treatments and vaccines.
“If there is a disease, we have seen it,” she said.
Originally from Evergreen, Colorado, Fischer completed a degree in biology at the University of Colorado-Boulder and contemplated going to medical school before deciding instead to join the Peace Corps. She taught math and science for two years in Liberia, and then took time to travel through East Africa and Asia, including a trek into the Himalayas.
Returning to Colorado, she immersed herself in the outdoor world she loved. She worked as a rafting guide on the Arkansas River for several summers, and as a children’s ski instructor at the Monarch Mountain ski resort during the winters.
She later enrolled in graduate school, thinking she might teach biology. But when she took courses in electron microscopy, she was hooked.
It appealed to her sense of exotic adventure. “You’re looking at a world that most people don’t get to see,” she said. She switched gears and completed a master’s degree in biology.
Upon graduation, she sent her résumé to a national microscopy job placement office and soon received a call from Rocky Mountain Laboratories. In 1994, she moved with her family to Hamilton, then worked her way up to become chief of the lab’s microscopy unit.
Some of the more stunning images of the coronavirus — about 10,000 times smaller than the width of a human hair — have come from Fischer’s microscope.
One is Fischer’s photograph of viral particles being released from a dying cell infected with the virus.
As NIH Director Dr. Francis Collins recently highlighted in his blog, the photo shows the orange-brown folds and protrusion on the surface of a primate’s kidney cell infected with SARS-CoV-2. The dozens of small, blue spheres emerging from the surface are the virus particles themselves. (The images produced by the electron microscopes are black-and-white, so Fischer hands them over to visual artists who colorize the image to help identify different parts of the cell and to distinguish the virus from its host.)