COVID-19 surveillance: Large decrease in clinical notifications and epidemiological investigation questionnaires for laboratory-confirmed cases after the 2nd epidemic wave, Portugal March 2020-July 2021

• Main Authors: Vasco Ricoca Peixoto (Author), André Vieira (Author), Pedro Aguiar (Author), Alexis Sentis (Author), Carlos Carvalho (Author), Daniel Rhys Thomas (Author), Alexandre Abrantes (Author), Carla Nunes (Author)
• Format: Book
• Published: Frontiers Media S.A., 2023-03-01T00:00:00Z.
• Subjects: article
• Online Access: Connect to this object online.

IntroductionIn Portugal, COVID-19 laboratory notifications, clinical notifications (CNs), and epidemiological investigation questionnaires (EI) were electronically submitted by laboratories, clinicians, and public health professionals, respectively, to the Portuguese National Epidemiological Surveil...