Dr Hoffe is just one of many

Probably the single most qualified person in the world in regards to vaccine
Geert Vanden Bossche
https://thehighwire.com/videos/a-coming-covid-catastrophe/

Inventor of mRNA Vaccines  Dr. Robert Malone
https://www.bitchute.com/video/74XbZ4aky3ht/

French virologist Luc Montagnier who discoverd aids and received nobel price for it.
https://www.vaccinedeaths.com/2021-05-25-everyone-vaccinated-will-die-within-two-years.html

Dr. Tenpenny
https://phibetaiota.net/2021/03/video-3234-dr-tenpenny-expains-in-simple-terms-some-of-the-dangers-of-the-covid-19-vaccine/


Dr. Joseph Mercola and Dr. Vladimir Zelenko
https://www.bitchute.com/video/vvcXfuHdQ1Kw/

Drs. Wodarg and Yeadon
https://undercurrents723949620.wordpress.com/2020/12/12/covid-vaccine-will-sterilize-70-of-the-population/

........

Vaccines dont need signature, legal transfer of ownership need two.