VarmaP.JungeM.MeaklimH.JacksonM. L. (2021). Younger people are more vulnerable to stress, anxiety and depression during COVID-19 pandemic: A global cross- sectional survey. Progress in Neuro-Psychopharmacology & Biological Psychiatry, 109. https://doi.org/10.1016/j.pnpbp.2020.110236
2.
WoolfS. H.ChapmanD. A.LeeJ. H. (2021). COVID-19 as the leading cause of death in the United States. JAMA, 325(2), 123–124. https://doi.org/10.1001/jama.2020.24865