International Journal of Biological Sciences:

Traditional Chinese Medicine in the Treatment of Patients Infected with 2019-New Coronavirus (SARS-CoV-2): A Review and Perspective.

World Health Organization:

Coronavirus disease (COVID-19) Pandemic.

World Health Organization Fallzahlen:

Novel Coronavirus (COVID-19) Situation.

Robert Koch Institut:

Neuartiges Coronavirus in Deutschland.

Robert Koch Institut Fallzahlen:

COVID-19: Fallzahlen in Deutschland.