Leading causes below age of 44: https://www.cdc.gov/injury/wisqars/animated-leading-causes.html

By injury type https://www.statista.com/statistics/527432/unintentional-injury-related-death-rate-in-the-us-by-principal-type/

Covid-19 rising to #3: https://www.cdc.gov/mmwr/volumes/70/wr/mm7014e1.htm?s_cid=mm7014e1_w#F1_down