As wastewater surveillance continues to offer an early window into the spread of respiratory viruses, Dr. Trevor Charles, a professor in the Department of Biology at the University of Waterloo who studies molecular genetics, outlines what the latest environmental sampling reveals, what to expect heading into winter and the steps individuals and families can take to stay protected.
University of Waterloo professor Dr. Trevor Charles
What are some of the most recent findings from environmental sampling efforts?
We are currently conducting wastewater surveillance in the York Region and those data provide a helpful indication of broader viral activity.
From the York Region results, we are beginning to see an upward trend in COVID-19 levels, along with early traces of Influenza. These signals suggest that respiratory viruses are starting to circulate again as we move into the colder months. For those who wish to follow the publicly available data, York Region regularly updates its wastewater dashboard.
What do these findings tell us about what might be coming as we head into winter?
The rise in COVID-19 levels and the first signs of Influenza activity are consistent with what we typically observe heading into the winter season. Colder weather brings people indoors and closer together, which creates more opportunities for respiratory viruses to spread.
While these early indicators do not signal anything out of the ordinary compared to previous years, they do reinforce the need for preparedness. As with every winter, we expect to see an increase in respiratory infections — including COVID-19, Influenza and potentially other seasonal viruses. Monitoring wastewater allows us to detect these shifts early so communities, health systems and individuals can take appropriate steps to reduce risk.
How can people protect themselves and their families?
The most effective way for individuals and families to protect themselves is by staying up to date with recommended vaccinations. Both COVID-19 and Influenza vaccines are widely available and remain the best tools we have to reduce severe illness, hospitalization and the spread of infection.
In addition to vaccination, adopting basic precautions — such as staying home when sick, practicing good hand hygiene and improving ventilation where possible — can make a meaningful difference. These simple steps help limit the burden of respiratory viruses on our communities throughout the winter season.
This series is produced for the media, with the purpose of sharing the expertise of UWaterloo researchers. To reach this researcher, please contact Media Relations.
