1) Which COVID-19 vaccines are available? Pfizer and Moderna vaccines: Both use mRNA technology shown to be 90% effective when given in two doses. Second dose should be given 3-4 weeks after the first Johnson and Johnson vaccine: approved in February this year is a…
A Brief History of USDA Food Guides This content originally came from choosemyplate.gov 1916 to 1930s: “Food for Young Children” and “How to Select Food” Established guidance based on food groups and household measures Focus was on “protective foods” The 1940s: A Guide to Good…