Thankfully, no. I’m referring to human challenge trials in which healthy volunteers are exposed a pathogen learn more about the disease it causes and test vaccines quickly.1 Isn’t everything? Yes, you’re right, specifically talking world’s first covid-19 trial that UK government announced will begin within month.2 Up 90 aged 18 30 be “safe controlled environment” at Royal Free Hospital London...

A severe foodborne disease outbreak late in 1950 in Osaka, Japan, led to 20 fatalities among 272 patients, who suffered from acute gastroenteritis, with symptoms that included severe abdominal pain, described by many as a “burning sensation in the stomach,” vomiting, and severe diarrhea. The onset of symptoms was very rapid, within 2 to 6 h in most cases, and autopsies revealed extensive damage...