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HARVARD Citation
Hatfield, K. et al. (n.d.). Effectiveness of Coronavirus Disease 2019 (COVID-19) Vaccination Against Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) Infection Among Residents of US Nursing Homes Before and During the Delta Variant Predominance, December 2020–November 2021 . Clinical infectious diseases. pp. S147-S154. [Online].