Transmission and Prevention of Wuhan Coronavirus Disease 2019 (COVID-19) under Minimum Sunspot Number. Global Journal of Medical Research, [S. l.], v. 20, n. F3, p. 13–34, 2020. Disponível em: https://medicalresearchjournal.org/index.php/GJMR/article/view/1970. Acesso em: 13 aug. 2026.