During the COVID-19 pandemic, Jimenez was one of over 200 experts in multiple scientific fields who signed an open letter to the World Health Organization urging them to acknowledge that airborne aerosols play an important role in transmitting COVID-19.
Later, he created a Google Doc to educate the public about airborne coronavirus transmission and combat misinformation, and authored multiple scientific papers on the topic.
[3] As an associate professor of chemistry and biochemistry at the University of Colorado Boulder, he was named the recipient of the 2010 Rosenstiel Award for his "groundbreaking measurement techniques to atmospheric science, addressing critical questions regarding aerosols in our environment and their role in climate change and air quality.
[7] During the COVID-19 pandemic, Jimenez was one of 239 experts in multiple scientific fields who signed an open letter to the World Health Organization urging them to acknowledge that airborne aerosols play an important role in transmitting COVID-19.
[9] He participated in a non-partisan panel that included 386 multidisciplinary contributors from 112+ countries and published specific statements and recommendations to end COVID-19 as a public health threat in the journal Nature (November 2022).