(CNN) President Donald Trump unveiled a crash effort on Friday aimed at developing a coronavirus vaccine by the end of the year but said the country would return to normal with or without one. Vaccine or no vaccine, we're back" Trump said during a midday event in the Rose Garden. I also believe they are extremely challenging," said Moncef Slaoui, the former pharmaceutical executive who Trump tapped to lead the vaccine effort. A person familiar with the matter said Slaoui would vacate his seats upon assuming his role in the vaccine effort. In what is called "at-risk" production, the federal government's coronavirus vaccine project is expected to begin production of a vaccine later this summer with the hope that the vaccine will be effective.

Source: CNN May 15, 2020 15:00 UTC