Long-Term Symptoms Among Adults Tested for SARS-CoV-2 - United States, January 2020-April 2021.
MMWR Morb Mortal Wkly Rep. 2021 Sep 10;70(36):1235-1241. doi: 10.15585/mmwr.mm7036a1.
MMWR Morb Mortal Wkly Rep. 2021.
PMID: 34499626
Free PMC article.