In new study, University of Manchester and Manchester University NHS Foundation Trust (MFT) researchers have found that levels of a fungus hazardous to patients with respiratory disease are more abundant in rooms with outside facing windows during the summer months. 

For Press release see: 

During summer, hazardous mould species more abundant in rooms with windows (manchester.ac.uk) 

&

Research & Innovation (cmft.nhs.uk) 

Related