The cost of a coronavirus vaccine will range from $ 25 to $ 37 per unit, said Stefan Bansel, head of Moderna.This was reported by Welt am Sonntag.This is a fair figure for a patient with severe COVID-19, given the cost to the health care system. The main thing for us is not to get the maximum income, "Bansel said.He noted that the price will vary depending on the number of drugs purchased.According to the head of the company, Moderna hopes to produce 20 million doses of the vaccine by the end of the year.Earlier, the company announced that it was completing the third phase of testing for a vaccine with a coronavirus efficiency of 94.5 percent.