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Case Report

Co-infections of SARS Cov-2 and other respiratory viruses at the CHU Ibn Rochd in Casablanca: About 10 cases

Y. Sahel, B. Ifegh, F. Zannane, M. Benghanem, H. Jabri, H. Afif, M. Soussi Abdallaoui.


Currently the risk of co-infections COVID-19 with other respiratory viruses, in particular Influenza virus, is real, however their consequences are not well documented. Thus, the rapid and simultaneous identification of co-infections can help improve patient care.
We report here, ten cases of SARS-CoV-2 infection associated with other viruses. These cases were diagnosed at the Ibn Rochd University Hospital Center in Casablanca (Morocco). Diagnosis was made by multiplex PCR (BioFire Film-Array PCR (Biomérieux®) on a nasopharyngeal sample. The number of viruses detected per patient (in addition to SARS-Cov-2) varies from one to five viruses. We detected the Influenza A virus in nine cases, Respiratory Syncytial Virus (RSV) in five cases, Rhinovirus/Enterovirus in six cases, Metapneumovirus in two cases and Coronavirus NL63 in one case. It should be noted that the SARS-CoV-2 RT-PCR came back negative in two cases.
These ten observations suggest the need to take into account other respiratory viruses in patients with suspected COVID-19 infection, as these coinfections can lead to the occurrence of complications. Also, the use of syndromic diagnosis by multiplex PCR can be useful in certain situations.

Key words: SARS-CoV-2, Coinfection, PCR

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