When schools brought students back into classrooms this fall, José-Luis Jiménez had a decision to make. His seven-year-old son wasn’t learning much at home. But Jiménez was worried he could get Covid at school.
And as an aerosol scientist and chemistry professor, Jiménez knows a thing or two about how airborne viruses spread. So he did what he could to take his son’s safety into his own hands. First, he bought him a high-quality (elastomeric) mask.