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Lab leak fight casts chill over virology research

By Benjamin Mueller & Sheryl Gay Stolberg
New York Times·
14 mins to read

Scientists doing “gain-of-function” research said that heightened fears of lab leaks are stalling studies that could thwart the next pandemic virus.

Questions about whether Covid-19 leaked from a Chinese laboratory have cast a chill over American virus research, drying up funding for scientists who collect or alter dangerous pathogens and intensifying a debate over those practices.

The pullback has transformed one of the most highly charged fields of medical science. While some believe such experiments could fend off the next

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