Evaluation of five immunoassays and one lateral flow immunochromatography for anti-SARS-CoV-2 antibodies detection Silvia Montolio Breva; Carmen Molina Clavero; Frederic Gómez Bertomeu; Ester Picó-Plana; Núria Serrat Orús; Inmaculada Palau Sánchez; Maria Teresa Mestre-Prad; Maria Teresa Sans-Mateu;

COVID-19 screening in a Portuguese pediatric population Adriana Costa; Helena Almeida; Marta Moniz; Cláudio Alves;

Evolving SARS-CoV-2 severity among hospital and university affiliates in Spain and Greater Boston Fares Amer; Fan-Yun Lan; Mario Gil-Conesa; Amalia Sidossis; Daniel Bruque; Eirini Iliaki; Jane Buley; Neetha Nathan; Lou Ann Bruno-Murtha; Silvia Carlos; Stefanos N. Kales; Alejandro Fernandez-Montero;