Those who created it were slick/smart. Good enough to create a back door for themselves and other criminals who get stabbed. It's likely a true vaccine for the stab or mutations of the wuhan bio-weapons does exist.
Covid 19: The Chinese Military and Maj Gen Chen Wei
excerpt:
"Wuhan Institute of Virology (WIV) “The aircraft carrier of virology”
"The establishment of the WIV is linked to severe acute respiratory syndrome (SARS), a highly contagious virus, which originated in China in 2002-2003."
"In 2003 the powerful Chinese Academy of Sciences announced in Paris that it wanted to acquire class 4 Pathogen (P4) laboratory which could harbour the most dangerous viruses (Ebola, coronavirus, and H5N1etc). France operated the P4 Jean Mérieux, .."