Inovio claims positive results on Covid-19 vaccine but critical data are missing

Inovio claims positive results on Covid-19 vaccine but critical data are missing

Source: 
Stat
snippet: 

Inovio Pharmaceuticals on Tuesday said that its investigational Covid-19 vaccine had “positive” results in a small trial. But the company, which has gained more than $4 billion in value since the coronavirus pandemic began, provided none of the details necessary to determine whether the vaccine is working.