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...epidemiology. Based on 481 patients who have died from COVID-19, the Italian Superior Institute of Health reported several diseases that were more frequently associated with COVID-19-related deaths. Underlying condition Number of patients Percentage (%) Hypertension 355 73.8 Diabetes mellitus 163 33.9 Cardiovascular ischemia 145 30.1 Atrial fibrillation 106 22 Chronic...

...epidemiology and anyone who says something online about a new way to solve the COVID-19 crisis will quickly gain a lot of followers. Unfortunately, scientists who have years of experience in this field are not always heard or believed, and some of us have been attacked on social media for criticising poorly executed studies, fake news, and conspiracy theories. I am...

...epidemiological model based on the classical Susceptible-Exposed-Infected-Recovered (SEIR) model, which describes the spread and clinical progression of COVID-19. The infection levels are broadly categorised as mild, severe and critical, and we focus on the medium intensity spread scenario with the reproduction number (R0, pronounced as R-nought) equal to 2 under...