Briand provides a graph like this for all 50 US States plus New York City, showing weekly deaths with lines of different colors for each year.  The green line shows weekly mortality for Wyoming from August 2019 to August 2020.  The anomalous spike in mortality in late December 2019 was well before the covid-19 virus was thought to have appeared, and no other states have this spike, showing that it is unrelated to the covid-19 pandemic.  There is also a spike in March and April 2020, but it does not reach as high as the peak in late December, and is likely from other pandemic response effects such as the understaffing crisis in long-term care facilities which happened across the world immediately after the pandemic was declared by WHO in mid-March 2020.  The increases in this graph are still extremely small when compared to places like New York City which had the most severe understaffing crisis of any region, or Michigan.  Ironically both New York City and Michigan were praised by Anthony Fauci for their aggressive and strict social isolation mandates.