Last week I started writing an article for a trade journal on small flies in food processing and wound up talking about all the food borne pathogens small flies can carry. I posted about research studies that looked at small flies in hospitals and those pathogens. Since it was National Invasive Species Week last week, almost all of our disease-carrying mosquitoes (in the US) are introduced. Yesterday I posted on ticks expanding their range and having more habitat – and the in