Tag Archives: Polio

COVID-19 vaccination: What we can learn from the great polio vaccine heist of 1959

In a pandemic, vaccines are in very high demand, and this threatens their supply. (Shutterstock) Paula Larsson, University of Oxford We find ourselves at a precarious time in global health. Many people are anxiously awaiting their turn to receive a vaccine for COVID-19, yet roll-out is slow and disorganized, with many countries facing supply shortages. The conditions are ripe for …

Read More »

Sewage surveillance: How scientists track and identify diseases like COVID-19 before they spread

Sewage testing can be used for early detection of disease. (Shutterstock) Lawrence Goodridge, University of Guelph The COVID-19 pandemic has reignited interest in wastewater surveillance, where sewage systems are monitored for the presence of viruses, bacteria and other pathogens. Non-infective fragments of the virus’s genetic material have been found in untreated wastewater in Italy, Spain, France, the United States and …

Read More »