U.S. on track to secure enough vaccine supply for all adults by May

The United States is on track to secure enough vaccine supply for every adult in the country by the end of May, two months earlier than expected, President Joe Biden said Tuesday.The announcement came as Merck & Co. has agreed to help produce its rival Johnson & Johnson's just-approved coronavirus vaccine, in what the administration hailed as a historic manufacturing collaboration between two of the largest U.S. health care and pharmaceutical companies."This is the type of collaboration between companies we saw in World War II," Biden said, noting that the move will help address the fact th…READ FULL ARTICLE