Tracking and treating viruses in water
The vast majority of research on human viruses is focused on viruses in the human body; the literature is relatively void of data on virus persistence in the environment. This project aims to fill that void by carrying out novel research on virus persistence in water. The work will focus on two important groups of viruses: one of the most important etiologies of gastrointestinal illness in the world –human norovirus (HNoV)- and the subfamily of viruses responsible for the COVID-19 pandemic – human coronaviruses (HCoVs). The researchers will study the persistence of infectious HNoV in water, a subject which has not been studied previously owing to methodological limitations on cultivation of the virus. They will also study the persistence of CoVs including SARS-CoV-2 in water and wastewater as well as their potential for disinfection by free chlorine. There is sparse data to date in the literature on this topic - not a single study has examined free chlorine disinfection of any CoV. The results from this work will have immediate applications to inform de facto wastewater reuse and recreational water quality standards.
Research News & Insights
Influenza or flu virus remains infectious in refrigerated raw milk for up to five days, according to a new Stanford study. The findings come at a time when outbreaks of bird flu – a different subtype of the same influenza virus – in dairy cattle have raised concerns about the potential for a new pandemic.
Stanford engineers, physicians, sociologists, Earth scientists and others soon will collaborate to make cities healthier, revolutionize plastic recycling, track and treat viruses in water, combat the illegal wildlife trade and more.