"Some of the scariest viruses of the 20th/21st century emerged in large-scale farming operations (1918 influenza, SARS-CoV-1, most likely SARS-CoV-2). It seems

"Some of the scariest viruses of the 20th/21st century emerged in large-scale farming operations (1918 influenza, SARS-CoV-1, most likely SARS-CoV-2). It seems like these farms are massive accidents waiting to happen." What source says 1918 came from large scale farms? Large scale farming in 1918 would not have existed as we think of it today, as average farm size was about 150 acres with approximately 6 million farms. For reference, 2022 average farm size was 464 with approximately 1.89 million farms. Sources: Changes in agriculture 1900 to 1950 https://www2.census.gov/prod2/decennial/documents/41667073v5p6ch4.pdf https://www2.census.gov/prod2/decennial/documents/41667073v5... Farming and Farm Income https://www.ers.usda.gov/data-products/ag-and-food-statistics-charting-the-essentials/farming-and-farm-income/ https://www.ers.usda.gov/data-products/ag-and-food-statistic...