Clean air for pandemic proof buildings

A strategy presented by the expert group on “Pandemic-proof buildings” in the form of a White Paper. Download the White Paper (PDF) Over 150 years ago, the risks of waterborne diseases such as Cholera were tamed by the public provision of clean water. We...

Why do new variants of SARS-CoV-2 spread so fast?

In our recent article, we explore two aspects that could explain the fast spreading of recent variants of the Corona virus: viral load and infectivity. Initially, we wrote this article in view of the Delta variant but expanded it later to include also Omicron. Keep in...

Aerosols as major transmission path and what we can do

On 7 December 2021 I had the opportunity to present my thoughts about aerosol transmission to a group of members of the Swiss parliament. Here is the video (in German). Note: I will add later also an English and French version – but this may be only after the...

A guide towards healthy classrooms

How can we reduce the potential spread of the SARS-CoV-2 virus through aerosol transmission in  classrooms? Researchers from Europe’s COST-Action INDAIRPOLLNET (led by Xavier Querol and Maricruz Minguillón from CSIC and Michael Riediker from SCOEH) developed a guide...