Claims of a Weaker COVID-19 Virus Disputed

Matteo Bassetti, MD, director, Infectious Diseases Clinic, San Martino Hospital, Genoa, Italy.

Mark Cameron, PhD, associate professor, Department of Population and Quantitative Health Sciences, Case Western Reserve University School of Medicine, Cleveland, OH.

JACC: Case Reports: “The Outbreak of COVID-19 in Italy.”

Journal of Virology: “Genetic Variability of Human Respiratory Coronavirus OC43,” “An 81 nucleotide deletion in SARS-CoV-2 ORF7a identified from sentinel surveillance in Arizona (Jan-Mar 2020).”

Johns Hopkins Bloomberg School of Public Health Center for Health Security: “SARS-CoV-2 Genetics.”