During a first-of-its-kind COVID-19 human-challenge trial, healthy young individuals who were purposely subjected to the coronavirus SARS-CoV-2 had minor symptoms, if any at all. This kind of trials offer a once-in-a-lifetime chance to research viral infections from beginning to end, but they are contentious due to the hazards they entail to patients. The study verifies findings from previous COVID-19 investigations.
According to researchers, the UK study of 34 people aged 18 to 30 years...