Introduction

With the outbreak of novel coronavirus disease 2019 (COVID-19) we are currently experiencing a worldwide emergency affecting all societies. Fortunately, we have learnt much since the 1918/19 influenza pandemic, and we have come a long way towards controlling infectious diseases. Smallpox has been eradicated, cases of measles and poliomyelitis have been drastically reduced, and much has been achieved in mitigating HIV. Still, we now must coordinate efforts on a global scale to stop the spread of COVID-19, an epidemic with grave consequences. Globalization, ease of travel and open borders present challenges; but the degree of scientific progress and the free exchange of rapidly generated knowledge also afford important opportunities not available in previous outbreaks. These opportunities must be put to good use; this is where public health plays a critical role.

Keywords

Clinical aspects, diagnosis, treatment; Epidemiology

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