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Saint-Saëns's Carnival of the Animals guide and best recordings

Saint-Saëns's Carnival of the Animals guide and best recordings
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Benjamin Franklin's fight against a deadly virus: Colonial America was divided over smallpox inoculation, but he championed science to skeptics


1 in 13 residents– but the death toll was probably more, since the lack of sophisticated epidemiology made it impossible to identify the cause of all deaths.
What was new, at least to Boston, was a simple procedure that could protect people from the disease. It was known as “variolation” or “inoculation,” and involved deliberately exposing someone to the smallpox “matter” from a victim’s scabs or pus, injecting the material into the skin using a needle. This approach typically caused a mild disease and induced a state of “immunity” against smallpox.
Even today, the exact mechanism is
poorly understoodand not much research on variolation has been done. Inoculation through the skin seems to activate an immune response that leads to milder symptoms and less transmission, possibly because of the route of infection and the lower dose. Since it relies on activating the immune response with live smallpox variola virus, inoculation is different from the mo ....

United States , Wikimedia Commons , Zabdiel Boylston , Cotton Mather , James Franklin , Benjamin Franklin , Us Centers For Disease , History Archive Universal Images Group , Sepia Times Universal Images Group , Archive Photos , Getty Images , West African , West Africa , New England Courant , Universal History , Universal Images Group , Disease Control , ஒன்றுபட்டது மாநிலங்களில் , பருத்தி ம்யாதர் , ஜேம்ஸ் பிராங்க்ளின் , பெஞ்சமின் பிராங்க்ளின் , எங்களுக்கு மையங்கள் க்கு நோய் , வரலாறு காப்பகம் உலகளாவிய படங்கள் குழு , செபியா முறை உலகளாவிய படங்கள் குழு , காப்பகம் புகைப்படங்கள் , கெட்டி படங்கள் ,