Click here for Logical Analysis ReportOp-ed:
From our analysis, we found the following most relevant:This phenomenon, known as antibody-dependent enhancement (ADE), has been a problem with experimental vaccines against severe acute respiratory syndrome (Sars) - which is caused by a virus related to Sars-CoV-2 - and it will need to be ruled out by rigorous testing of vaccines against Covid-19.
If ADE were to turn out to be a problem with a vaccine after it had been approved, in a country with poor safety reporting, years might pass before the full human cost came to lightHe points out that companies have been fleeing the vaccine field in recent decades, because the profit margin on most vaccines is so thin. "The fact that we now have more companies getting into the vaccine business because of Covid-19 is a tremendously positive aspect of this pandemic," he says.
But the changing economics of vaccine development have thrown up new ethical dilemmas