Ara
Front Page
Discover
Sections
Opinion
Politics
International
Business
Society
Science and Technology
Culture
Media
Lifestyle
People
Sports
Weather
Reader Voices
Investigations team
tag
#
polio
Latest publications
Society
Polio detected in wastewater in the Baix Llobregat region
Albert Diumenjó Segalà
15-09-2025
Home
Breaking
Discover
Sections
Profile
Log in
![The El Prat de Llobregat wastewater treatment plant, one of the largest wastewater treatment plants in Europe.](data:image/svg+xml,%3Csvg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 9"%3E%3C/svg%3E)