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A Shot in the Arm

Today is the anniversary of the firstvaccination, asmallpox vaccine administered by its inventor,Edward Jenner, in 1796. Jenner’s breakthrough provided astarting point for the science of disease prevention, which went on to havea profound impact on public health. Between the 1970s and 2020s,infant mortality declined by 40 percent thanks toglobal vaccination efforts. An estimated 154 million deaths were prevented in that time span—the equivalent of six lives saved per minute per year.
Vaccines and Immunizations: History, Timeline, and Invention
Encyclopædia Britannica, Inc. / Lucia Barnum
How are vaccines developed? How do vaccines prevent disease? Includes interview with Dr. Paul Offit, director of the Vaccine Education Center at the Children's Hospital of Philadelphia and a professor of pediatrics at the Perelman School of Medicine at the University of Pennsylvania. Measles, mumps, chicken pox, polio, hepatitis A and B, rotovirus, Covid-19, coronavirus, testing, science, CDC, World Health Organization (WHO).
How Are Vaccines Developed?
Encyclopædia Britannica, Inc.

A Date with History

Today marks three significant anniversaries, including the following:

Jamestown settled

The first permanent English settlement in North America was founded atJamestown, Virginia, on May 14, 1607. The colony gave England its first foothold in the European competition for the New World, which had been dominated by the Spanish since the voyages ofChristopher Columbus in the late 15th century.

Lewis and Clark set off

Today is the anniversary of the first step in a long journey. On May 14, 1804,Meriwether Lewis andWilliam Clark embarked ontheir famous expedition to the Pacific coast of North America. Over the duration of the trip, which lasted until September 23, 1806, fromSt. Louis, Missouri, to thePacific Ocean and back, the Corps of Discovery, as the expedition company was called, traveled nearly 8,000 miles (13,000 km).

Israel founded

On this day in 1948—just before the expiry of the British mandate inPalestineDavid Ben-Gurion and the Jewish People’s Council proclaimed the establishment of the State ofIsrael. The next day, thefirst Arab-Israeli war formally began, although it followed a civil war that began after theUnited Nations passed a partition plan on November 29, 1947. For Israel, the war is remembered as the War of Independence. For Arabs, it is remembered as the Nakba (from Arabic, meaning “Catastrophe”).

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Crisscross the U.S. by placing these famous landmarks.
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