Does This Biotech Have the Secret to Conquering Covid Variants?

Does This Biotech Have the Secret to Conquering Covid Variants?

Source: 
Motley Fool
snippet: 
  • Gritstone is testing its vaccine candidate alone and as a booster.
  • The candidate targets the spike protein and other viral proteins.
  • If all goes smoothly, it could enter the vaccine market -- but farther down the road.