Some people who have recovered from COVID-19 experience ongoing symptoms — such as brain fog, increased heart rate, and chronic fatigue — sometimes known as long COVID.There is an overlap between the symptoms of long…
What are human challenge studies?
Recently, the government of the United Kingdom received ethics approval to run the world’s first SARS-CoV-2 human challenge study. In this article, we explain what human challenge studies are and what insights they can provide.As…