The backlash is the latest in a series of controversies around the SBA's handling of the program.
The Johnson & Johnson vaccine is the first single-dose shot authorized in the U.S.
The decision gives the U.S. a third vaccine against the virus, boosting the nation's supply of shots that can curb the pandemic.
From 2012 to 2015, United submitted false delivery scan data.
U.S. farm sales and shipments to China have surged since late last year, most notably for corn, the Agriculture Department said.
Doing so could alleviate limits on the final step of vaccine production.
Tom Donohue's departure was originally scheduled for 2022.
The director of the National Institute of Allergy and Infectious Diseases says the current supply shortage will be overcome.
Forty-three percent of businesses anticipate reducing their workforce due to an integration of technology.
As Trump tamped down on imports from China, U.S. companies turned to other foreign suppliers.