Control measures against the spread of Legionella from wastewater treatment plants Wastewater treatment plants (WWTPs) may spread Legionella via the air and cause pneumonia if people inhale them.
Guus Velders in Nature's "Ten people that mattered this year" Researcher Dr Guus Velders of RIVM has made the Nature top-10 list of 2016. This means that, according to Nature, he was one of the 10 most influential scientists in 2016.