Because the 2020 patent utilizes previously patented tech. You can view the patent here: https://patents.google.com/patent/US20200279585A1/en
If you scroll to the bottom you can see the priorities filed years before have nothing to do with COVID19, they are just additions that are noted so that the 2020 filing doesn't supersede those individual patents.
And if you so much as question the obvious delusion, your branded as a lefty infiltrator.
A lot of folks here have no self awareness. Oh well. It's definitely not majority in the comments, but the people who are just lurking and upvoting stuff that's obviously fake or unsourced is concerning.