Coronavirus (COVID-19) Collection
Emergence and outcomes of the SARS-CoV-2 ‘Marseille-4’ variant
The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) epidemic that started in Wuhan, China in December 2019 has spread rapidly around the world ( https://coronavirus.jhu.edu/map.html ). At the Méditerranée Infection Institute (IHU) in Marseille, routine diagnosis of SARS-CoV-2 by PCR was set up in January 2020 (Lagier et al., 2020; Colson et al., 2020a). The first SARS-CoV-2-infected patient was diagnosed at the IHU on February 27, 2020 (Colson et al., 2020c) ( https://www.mediterranee-infection.com/covid-19/ ).Temporal and age distributions of SARS-CoV-2 and other coronaviruses, southeastern France
The SARS-CoV-2 epidemic, which apparently started in December 2019 in China (Wu and McGoogan, 2020), currently presents a poorly understood epidemiological cycle. In China, Korea, and now in Europe, it seems to have had a bell-shaped distribution ( https://coronavirus.jhu.edu/data/new-cases ; https://www.mediterranee-infection.com/covid-19/ ) as is typical for viral respiratory infections. Furthermore, we and others have shown that detection of SARS-CoV-2 in children is rare, as are clinical cases (Colson et al., 2020; Gudbjartsson et al., 2020; Jones et al., 2020; Li et al., 2020; Wu and McGoogan, 2020).
