Numbers Behaving Badly

I've been looking for good data on COVID for quite some time, and the more I look, the harder it is to find. For instance, I went looking for a rolling 7-day average of COVID deaths in the US nationally, and what I find in CDC data is at best confusing. For instance, the CDC appears to combine "deaths due to pneumonia, influenza and COVID-19 (PIC)" in its reports -- but naturally, that's not what I'm looking for. I want to know what the numbers are for COVID specifically. and I'm not sure if this is ever broken out. A site called the COVID Tracking Project has charts that provide 7-day rollling averages for tests, cases, hospitalizations, and deaths. If I google "US daily COVID deaths", I get a google site that lists one total (3611 for December 16), while the COVID Tracking project site gives a different total (3400 for December 16). The last 7-day average on the COVID Tracking Project site was 2400 on December 15. The last rolling 7-day aver...