September 2021 was marked by ongoing global challenges related to the COVID-19 pandemic. Many countries were dealing with the spread of the Delta variant, which led to increased cases and hospitalizations. Vaccination efforts continued, with many nations pushing to immunize their populations to curb the virus's impact. In the United States, the Biden administration focused on implementing new policies to manage the pandemic, including vaccine mandates for federal employees. Additionally, the month saw significant events in the political landscape, including discussions around the infrastructure bill and the ongoing effects of the 2020 presidential election.