Epidemiologists and economists know that a COVID-19 vaccine would provide both private benefits to individuals and positive external benefits to bystanders. If government does not intervene with the distribution and production of this vaccine we would expect A. external benefits would not be taken into account and the market would provide too many vaccines. B. external benefits would not be taken into account and the market would provide too few vaccines. C. external benefits would not be taken into account but the market would provide the socially optimal level of vaccines. D. he market overvalues the marginal social benefit of the vaccine and a surplus of vaccines is produced