Concerns raised over race to COVID-19 vaccine

TUCSON (KVOA) -During this pandemic, many companies are in a race to put out a COVID-19 vaccine.As a result, many health professionals are concerned vaccine trials could
be cut short for political reasons, rushing a vaccine without knowing the full risks of the drug.This week, nine major companies made a pledge to finish three phases of trials before releasing a vaccine. Even with the pledge, questions still remain since the pledge falls short of full FDA approval."They left the door open to wha