The vaccine cost varies with the company Astra Zeneca at $4 and Moderna at $25. Government money is taking away much of the risk for manufacturers. The U.S. government has allocated massive investments with different manufacturers to ensure that a vaccine is available. Worldwide demand is about 2 billion doses over 2 years. Seven manufacturers have joined together to reassure the public that a vaccine will be tested carefully for safety and effectiveness. Some manufacturers excluding Pfizer and Moderna have stated that the vaccine will be provided at cost.
To return to some level of normal economy and people able to live normal lives the vaccine has to be available to all people at an affordable and widely available level.