FILE PHOTO: A Johnson & Johnson building is shown in Irvine, California, U.S., January...
Johnson
The company logo for Johnson & Johnson is displayed on a screen to celebrate...
Boris Johnson, U.K. prime minister, speaks during a daily coronavirus briefing inside number 10...
A Johnson & Johnson building is shown in Irvine, California. Mike Blake | Reuters...
FILE PHOTO: The company logo for Johnson & Johnson is displayed on a screen...
Johnson & Johnson said Monday human testing of its experimental vaccine for the coronavirus...