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Genetic Linkage

On the Third Anniversary of the Pandemic, My 100th COVID Article, With Links to All

Three years ago, health officials in China announced the first cases of infection with a "novel coronavirus."


Dr. Zhang Jixian reported the first case on December 26, 2019 in a senior couple living in the residential community near her hospital in Wuhan. An expert in SARS, she recognized the triad of fever, cough, and an unusual pneumonia.


The earliest events remain a bit murky.


"On December 30th, China reported an outbreak of respiratory disease in Wuhan City, a major transportation hub about 700 miles south of Beijing with a population of more than 11 million people," declared Nancy Messonnier, director of CDC's National Center for Immunization and Respiratory Diseases, on January 17, 2020.


But I heard about it on NPR shortly after New Years.


My first COVID post was January 23: "I'm astonished at the speed with which geneticists and epidemiologists are zeroing in on the Wuhan coronavirus," referring to the first viral genome sequence announced January 15. Sequencing viral genomes would evolve into a powerful tool of, well, viral evolution, with the US caught behind.


It's been a hellish roller coaster ride, with terrible tragedy juxtaposed against some of the most astonishingly brilliant science I've ever encountered. I switched from covering rare genetic disease to following the erupting pandemic, reporting news, interpreting technical reports, and delving into the history of epidemiology.


To continue reading, go to DNA Science, where this post first appeared.

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