Abstract Background The Australian First Few X (FFX) Household Transmission Project for COVID-19 was the first prospective. multi-jurisdictional study of its kind in Australia. The project was undertaken as a partnership between federal and state health departments and the Australian Partnership for Preparedness Research on Infectious Disease Emergencies (APPRISE) and was active from ... https://www.sourcebmxers.shop/product-category/bmx-seat-clamps/