… , our first aim was to summarise COVID-19 related outcomes in Catalonia as experienced
during the first wave of … and risks of COVID-19 diagnosis, hospitalisation with COVID-19, and a …

… to severe COVID-19 in eight university hospitals of Catalonia … to the Institut Català de la Salut
(Catalan Institute of Health), a … During the first wave, we observed a remarkable increase in …

… characterized the natural history of COVID-19 in Catalonia. To the … The time scope of this
work covers 2020 with the initial waves … Children are mostly asymptomatic, while old people are …

… When asymptomatic cases were also considered, the … 13 April, in the peak of the COVID-19
first wave, to 7 July. In addition, for … Martínez-Mateo of the Public Health Agency of Catalonia (…

… both music festivals, in Barcelona (Catalonia, North-East Spain). The first event was held on
July 3, … By the time of the events, Catalonia was experiencing the fifth wave of the COVID-19 …

… the first wave of the pandemic as the lockdown period, as it was the only wave in which a
stay-at-home … Various restrictions continued to be imposed following this initial, strict lockdown. …

… – to comprehend the natural history of COVID-19, as well as the … the first wave during the
spring and the second wave during … the history of each of the 5.5 million citizens of the Catalan …

… symptomatic or hospitalized patients. Therefore, we cannot rule out the presence of an
asymptomatic COVID-19 … patients from three different regions in Catalonia, each with its own FEP …

… – to comprehend the natural history of COVID-19, as well as the … Third, during the first wave
people with strong symptoms … the history of each of the 5.5 million citizens of the Catalan …

… were first hospitalized and had a subsequent COVID-19 diagnosis, particularly during the first
wave of the … that occurred in the previous 10 days of the first COVID-19 diagnosis. For each …