The un-vaccinated already have difficulty moving about.
What vaccines are required for U.S. immigration?
At this time,* vaccines for these diseases are currently required for U.S. immigration:
- Mumps
- Measles
- Rubella
- Polio
- Tetanus and diphtheria
- Pertussis
- Haemophilus influenzae type B (Hib)
- Hepatitis A
- Hepatitis B
- Rotavirus
- Meningococcal disease
- Varicella
- Pneumococcal disease
- Seasonal influenza
Not required for domestic travel, but sounds like COVID-19 vaccine will be required.