The code: How genetic science helped expose a secret coronavirus outbreak

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POSTVILLE, Iowa — It wasn’t until their colleagues began to disappear that workers at Agri Star Meat and Poultry realized there was a killer in their midst.

First came the rumors that rabbis at the kosher plant had been quarantined. Then a man who worked in the poultry department fell ill. They heard whispers about friends of friends who had been stricken with scorching fevers and unbearable chills — characteristic symptoms of the novel coronavirus.

Where was the contagion coming from? Continue reading.