Abstract
Community-acquired pneumonia (CAP) has the highest mortality among current infections. Despite being predominantly bacterial, one third of the global cases of CAP had a viral etiology, referring to approximately 100 million cases (2016). In 2019-2020, the respiratory virus Sars-Cov-2 alone caused 280 thousand deaths in 215 countries (until 12/05/2020, the vast majority with cases of pneum…