While CO₂ doesn’t transmit viruses itself, it acts as a proxy for indoor crowding and poor ventilation. The more people in a ...

“This biosensor is the first of its kind,” said Rajan Chakrabarty, a professor of energy, environmental, and chemical ...

A local rehabilitation and health care center was cited by the Board of Health for numerous violations over a two-month period including a noncompliant fire suppression system, an ...

To collect samples, the team used a custom-built wet cyclone bioaerosol sampler, which pulls airborne particles into a liquid medium for analysis—making the overall system both portable and ...

College of Environmental Sciences and Engineering, Peking University, Beijing 100871, China ...