COVID-19: Rakuten / President Mikitani Offers Free Hotel: Acceptance for Mild Patients
COVID-19: Producing a ventilator with a 3D printer: Hiroshima University project
A Tiger at Bronx Zoo Tests Positive for COVID-19;
COVID-19: NITRIDE, germicidal LED for medical use: new corona / inactivation verification
COVID-19: Infectious Disease / History Repeats: Plague, Cholera, Spanish Cold