Co-infection in COVID-19, a cohort study

Dear editor,
Co-infection in COVID-19 patients may inflence the outcome of the disease and needs more attention and investigations. In this journal, Lansbury and colleges reported a meta-analysis of co-infections in COVID-19 patients.1 In this study, we investigated a COVID-19 cohort in Shanghai, China. We screened viruses include Human parainfluenza virus 1, Human parainfluenza virus 2, Human parainfluenza virus 3, Human parainfluenza virus4, Influenza A virus, Influenza B virus, Human rhinovirus, Human metapneumovirus, Human respiratory syncytial virus, Human Bocavirus, Human adenovirus, Human Coronavirus 229E, Human Coronavirus NL63, Human Coronavirus HKU1, Human Coronavirus OC43; bacteria include Pseudomonas aeruginosa, Moraxella catarrhalis, Mycobacterium tuberculosis, Legionella pneumophila, Group A Streptococcus, Haemophilus influenza, Staphylococcus aureus, Acinetobacter baumannii, Streptococcus pneumonia, Klebsiella.peneumoniae, Escherichia coli and Mycoplasma pneumonia, Chlamydia pneumonia by a taqman-based real time PCR methods.