How the Delta Variant Could Change the World of Coronavirus Vaccine Stocks

How the Delta Variant Could Change the World of Coronavirus Vaccine Stocks

Source: 
Motley Fool
snippet: 
  • Some coronavirus vaccines are already being supplanted by others as a result of their poor efficacy against the delta variant.
  • Most vaccine makers are working on new jabs with higher efficacy.
  • So far, the mRNA vaccines seem to have an edge that other vaccine modalities don't.