The chicken pox vaccine was invented in Japan in the 1970s, was approved for kids in the US in 1995, and required in schools sometime in the early 2000's, depen

The chicken pox vaccine was invented in Japan in the 1970s, was approved for kids in the US in 1995, and required in schools sometime in the early 2000's, depending on the state -- nearly 30 years after its invention. This is very unlike the SARS-CoV-2 vaccine.