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COVID-19 endemicity is distinct from the COVID-19 public health emergency of international concern, which was ended by the World Health Organization on 5 May 2023. [85] Some politicians and commentators have conflated what they termed endemic COVID-19 with the lifting of public health restrictions or a comforting return to pre-pandemic normality.
During the COVID-19 pandemic, Albert studied the impact of COVID-19 on heart health, particularly the heart health of Black women. [7] In the United States , the stress that Black people experience due to everyday discrimination contributes to worse cardiovascular health.
Preventive healthcare strategies are described as taking place at the primal, [2] primary, [13] secondary, and tertiary prevention levels. Although advocated as preventive medicine in the early twentieth century by Sara Josephine Baker, [14] in the 1940s, Hugh R. Leavell and E. Gurney Clark coined the term primary prevention.
Coronavirus disease 2019 (COVID-19) is a contagious disease caused by the coronavirus SARS-CoV-2. In January 2020 the disease spread worldwide, resulting in the COVID-19 pandemic . The symptoms of COVID‑19 can vary but often include fever, [ 7 ] fatigue, cough, breathing difficulties , loss of smell , and loss of taste .
COVID-19 is the deadliest pandemic in US history; [359] it was the third-leading cause of death in the US in 2020, behind heart disease and cancer. [360] From 2019 to 2020, US life expectancy dropped by 3 years for Hispanic Americans, 2.9 years for African Americans, and 1.2 years for white Americans. [ 361 ]
In December 2021, following a request from the CEO of Delta Air Lines, CDC shortened its recommended isolation period for asymptomatic individuals infected with COVID-19 from 10 days to five. [123] [124] [125] Until 2022, the CDC withheld critical data about COVID-19 vaccine boosters, hospitalizations and wastewater data. [126]
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SARS-CoV-2 is the seventh known coronavirus to infect people, after 229E, NL63, OC43, HKU1, MERS-CoV, and the original SARS-CoV. [105] Like the SARS-related coronavirus implicated in the 2003 SARS outbreak, SARS‑CoV‑2 is a member of the subgenus Sarbecovirus (beta-CoV lineage B). [106] [107] Coronaviruses undergo frequent recombination. [108]