CNN  —  Practically 20,000 people today in the United States ended up admitted to the hospital for flu final 7 days, just about double the variety of admissions from the 7 days just before, according to facts updated Friday by the US Centers for Disorder Management and Prevention. The CDC estimates that there have been at least 8.7 million diseases, 78,000 hospitalizations and 4,500 deaths from influenza this time. In a letter to the nation’s governors Friday, US Wellness and Human Companies Secretary Xavier Becerra notes that flu and other respiratory viruses are “increasing strain” on the country’s wellbeing treatment units. In a letter acquired exclusively by CNN, Becerra wrote…