The emergence of SARS-CoV-2, the virus behind COVID-19, introduced a range of new terms to the public, from “fomite” to “social distancing.” Refer to our guide from 2020 for more details. Now, a new report from the World Health Organization proposes new terms and definitions, along with a revised perspective on airborne pathogen transmission. Jeremy Farrar, WHO’s chief scientist, views this document as a foundational tool. By creating a shared vocabulary and approach, he and his team aim to align public health professionals, minimize confusion, and improve future infection control.
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