| Pennsylvania Historical Marker | |
| PHMC dedicated | October 19, 2018 |
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The D.T. Watson Home for Crippled Children is famous as one of the first sites in the world to test the Jonas Salk vaccine for polio in 1954. The home is located in the Pittsburgh suburb of Leet Township near Sewickley, in the U.S. state of Pennsylvania.
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| Pittsburgh–New Castle–Weirton combined statistical area | ||||||||||
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40°34′27″N 80°12′19″W / 40.57406°N 80.20517°W / 40.57406; -80.20517
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