After a recent COVID-19 exposure, Dr. Christina Astley tested positive on an at-home testbut just barely.The line signifying a positive result was so faint that Astley, an endocrinologist at Boston Children's Hospital, took a picture and applied a camera filter to confirm it was there at all.Further complicating matters, Astley later tested negative with a different manufacturer's kit.
#people #immediately #disease-control #multiple-times #associate-professor #immune-system #epidemiology #global-health #immune-systems
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