When will a coronavirus vaccine be ready?

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ASTRAZENECA PLC (NASDAQ: AZN) Delayed: 92.77 --0 (-0%)
Previous Close $92.77    52 Week High $35.04 
Open $92.77    52 Week Low $26.97 
Day High $92.77    P/E N/A 
Day Low $92.77    EPS $0.00 
Volume 2,121,761       

Marina Biotech, Inc. (NASDAQ: MRNA) Delayed: 225.00 +28.00 (14.21%)
Previous Close $197.00    52 Week High $0.52 
Open $199.00    52 Week Low $0.08 
Day High $225.00    P/E N/A 
Day Low $197.17    EPS $-3.80 
Volume 28,930,056       

Pfizer Inc. (NYSE: PFE) Delayed: 28.28 +0.46 (1.65%)
Previous Close $27.82    52 Week High $37.39 
Open $27.61    52 Week Low $28.25 
Day High $28.29    P/E 17.14 
Day Low $27.59    EPS $1.65 
Volume 23,203,230