What is the truth behind claims that vaccines were or are responsible for advancing human health?
Chart from Dr. Suzanne Humphries: https://drsuzanne.net/dr-suzanne-humphries-vaccines-vaccination/
A must read for seekers of vaccine facts, data and the history of the religion of vaccines is "Dissolving Illusions: Disease, Vaccines, and the Forgotten History (https://dissolvingillusions.com/) 10th Anniversary Edition"
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Since a million dollar 3-year study consigned to Harvard by HHS revealed that less than 1% of vaccine adverse events are reported to the VAERS system (https://www.covid-19forum.org/index.php?topic=716.msg1097), a more reliable measure with numbers that can't be fudged with the latest mRNA shots would be the vDFR, or vaccine dose rate VS all cause mortality. The more doses a country administered the higher the all-cause mortality rate. As doses subsided so did all-cause mortality.
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Besides clean water, here's another reason for the drop in infectious diseases:
"On 20 October 1660, the famous diarist Samuel Pepys had a nasty surprise when he opened his cellar door and stepped into a "great heap of turds" which had overflowed from his neighbour's toilet.
Pepys' problem was not uncommon. This was a time before waste could be flushed far out of sight at the push of a button.
Records from London show that sewage issues were a major cause of legal battles and neighbourly disputes.
Chamber pots – used by people doing their business at night – were emptied into the streets. Cesspits were placed too close to shared walls, seeping through the brickwork and rotting timbers. Pipes, ditches and streams were blocked with animal dung, human waste and rubbish. The situation stank."
https://www.londonmuseum.org.uk/collections/london-stories/early-modern-londons-sewage-problems/