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 1,727,705       

Marina Biotech, Inc. (NASDAQ: MRNA) Delayed: 137.25 -3.08 (2.19%)
Previous Close $140.33    52 Week High $0.52 
Open $140.30    52 Week Low $0.08 
Day High $143.94    P/E N/A 
Day Low $136.70    EPS $-3.80 
Volume 4,442,486       

Pfizer Inc. (NYSE: PFE) Delayed: 27.89 +0.10 (0.36%)
Previous Close $27.79    52 Week High $37.39 
Open $27.76    52 Week Low $28.25 
Day High $27.92    P/E 16.90 
Day Low $27.57    EPS $1.65 
Volume 11,570,859