Olympic Games 2016: Rio de Janeiro's polluted waters might put athletes' health at risk

The video discusses water testing conducted by a top Brazilian virologist at Olympic sites in Rio de Janeiro, focusing on human adenoviruses, enteroviruses, and rotaviruses. The tests revealed high levels of infectious adenoviruses, posing health risks such as diarrhea and respiratory issues. Despite Rio's promise to reduce sewage in Guanabara Bay by 80% for the 2016 Olympics, only 49% was treated by 2015. Over 10,000 athletes from 200 countries participated in the Olympics, with 1,400 potentially exposed to contaminated waters.

What was the primary focus of the water testing conducted by Brazilian virologists at the Olympic sites?

• Assessing water clarity

• Identifying human adenovirus, enterovirus, and rotaviruses

• Measuring water temperature

• Detecting chemical pollutants

Which health issues are associated with the presence of human adenoviruses in water?

• Skin rashes and allergies

• Joint pain and fatigue

• Diarrhea, vomiting, and respiratory problems

• Headaches and dizziness

What was Rio de Janeiro's promise regarding sewage reduction in Guanabara Bay for the 2016 Olympics?

• To reduce sewage by 80%

• To reduce sewage by 50%

• To treat sewage with new technology

• To eliminate all sewage

By early 2015, what percentage of sewage was treated before reaching Guanabara Bay?

• 49%

• 100%

• 80%

• 17%

Approximately how many athletes were expected to come into contact with the waters during the Rio Olympics?

• 1,000

• 500

• 1,400

• 2,000