He honed methods of prevention, diagnosis and treatment, and made them accessible to underserved populations in sub-Sahara Africa. He died of Covid-19.He honed methods of prevention, diagnosis and treatment, and made them accessible to underserved populations in sub-Sahara Africa. He died of Covid-19.Deaths (Obituaries), Coronavirus (2019-nCoV), Acquired Immune Deficiency Syndrome, Research, Clinical Trials, Doctors, Katzenstein, David (1952-2021), Harare (Zimbabwe)Read More