7 years ago
Viruses may have evolved to hit men hard but go easy on women
Is man-flu a quirk of viral evolution? Some viruses might cause weaker symptoms in women than in men because it makes them more likely to spread. Many infections cause more severe illness in men than women. Men infected with tuberculosis are 1.5 times more likely to die than women; men infected with human papillomavirus are five times more likely to develop cancer than women; and men infected with Epstein-Barr virus are at least twice as likely to develop Hodgkin’s lymphoma as women.
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