_:n0c099c66bdb3498692deac4371c149c8xb3
<http://schema.org/uploadDate>
"2021-09-20"^^<http://schema.org/Date>
<https://pittsburgh.cbslocal.com/2021/09/20/pfizer-says-covid-19-vaccine-works-in-kids-ages-5-to-11/>