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Is the COVID-19 Pandemic Over? The Current Status of Boosters, Immunosenescence, Long Haul COVID, and Systemic Complications

The coronavirus disease 2019 (COVID-19) pandemic, caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), appears to be diminishing in infectivity and hospitalizations in the United States and many parts of the world. This review will provide current information on the pathogenesis of SARS-CoV-2 and long haul COVID, emerging research on systemic complications, and antibody responses of vaccines and boosters.