The 1918 flu pandemic, commonly referred to as the Spanish flu, was a category 5 influenza pandemic caused by an unusually severe and deadly Influenza A virus strain of subtype H1N1.
Project Lead The Way (PLTW) is an American nonprofit organization that develops STEM curricula for use by US elementary, middle, and high schools.
PLTW's mission is to prepare students for the global economy by providing K-12 STEM programs to public, private, and charter schools in all 50 states and the District of Columbia in rural, urban, and suburban districts. The program offers a problem-based curriculum combined with a teacher professional development.