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“Some of the underlying reasons why COVID-19 may be more deadly for men than women may include the fact that heart disease is more common in elderly men than in elderly women,” Dr. Stephen Berger, an infectious disease expert and co-founder of the Global Infectious Diseases and Epidemiology Network (GIDEON), told Healthline. “Studies also find that high blood pressure and liver disease are more prevalent in men and these all contribute to more negative outcomes with COVID-19.”