Below are all of the URLs with the requested keyword, in the timeframe requested. This number will differ from the total article count in the confluence report, because this report shows all headlines containing a single keyword, but a single headline may have confluences on multiple keywords.
From rss.cnn.com
From www.cbsnews.com
From www.foxnews.com
Ex-CDC Chief Frieden: COVID vaccines won?t drive cases down for months, but may decrease death rates