vaccine manufactures are immune from liability

H.R.5546 - National Childhood Vaccine Injury Act of 1986 (99th Congress 1985-86)
Provides that no vaccine manufacturer shall be liable in a civil ..
arising from a vaccine-related injury or death.

Declaration Under the Public Readiness and Emergency
Preparedness Act for Medical Countermeasures Against COVID-19
.. to provide liability immunity for certain individuals

Laws give immunity to any vaccine manufacture & to anyone who administers vaccines.