Biden to announce vaccine mandate for companies with more than 100 employees

President Joe Biden is announcing Thursday that all employers with more than 100 workers will be forced to require coronavirus vaccinations or test employees weekly.

The mandate will be announced Thursday afternoon and is expected to affect as many as 100 million Americans. 

The expansive rules mandate that all employers with more than 100 workers require them to be vaccinated or test for the virus weekly, affecting about 80 million Americans. And the roughly 17 million workers at health facilities that receive federal Medicare or Medicaid also will have to be fully vaccinated.