Your medical technology point is too broad, penicillin is a very far cry from a 30+ vaccine schedule for infants. And science didn't really 'discover' anything there, I do believe they just isolated something already present in nature. That is not the case today, we've been artificially creating all kinds of nonsense with very adverse affects. And polio is one of the big propaganda pieces that first pushed vaccines on the population to begin with. Here's an interesting video that discusses a fuller version of the story and while I haven't vetted his sources they seem legit and as I've also spent many sad hours watching parents' stories on VaxxedTV on YT, I cannot just blindly applaud medical science/technology, especially with all the current craze around nano-tech in our foods and medicines which has not been tested or even openly debated in public, just pushed on us like cattle.
CERTIORARI TO THE UNITED STATES COURT OF APPEALS FOR THE THIRD CIRCUIT
No. 09–152. Argued October 12, 2010—Decided February 22, 2011
The National Childhood Vaccine Injury Act of 1986 (NCVIA or Act) created a no-fault compensation program to stabilize a vaccine market adversely affected by an increase in vaccine-related tort litigation and to facilitate compensation to claimants who found pursuing legitimate vaccine-inflicted injuries too costly and difficult. (there's more and I will happily email the pdf I down loaded to anybody who wants to read it) (the bolding is mine)