Background Globally, COVID-19 vaccines have proven to be instrumental for promoting
population health by reducing illness from SARS-CoV-2. Vaccine certificates emerged as a …

Abstract Background Coronavirus disease 2019 (COVID-19) altered healthcare utilization
patterns. However, there is a dearth of literature comparing methods for quantifying the …

Background Assessing the impact of government responses to Covid-19 is crucial to contain
the pandemic and improve preparedness for future crises. We investigate here the impact of …

Introduction The control of the COVID-19 epidemic has been focused on the development of
vaccines against SARS-CoV-2. All developed vaccines have reported safety and efficacy …

A number of scientific publications and commentaries have suggested that standard
preparedness indices such as the Global Health Security Index (GHSI) and Joint External …

Objectives Case Reporting and Surveillance (CRS) are crucial to combat the global spread
of the Monkeypox virus (Mpox). To support CRS, the World Health Organization (WHO) has …

For decision-making support and evidence based on healthcare, high quality data are
crucial, particularly if the emphasized knowledge is lacking. For public health practitioners …

Background Heterogeneity in national SARS-CoV-2 infection surveillance capabilities may
compromise global enumeration and tracking of COVID-19 cases and deaths and bias …

We study how reliable are available data on COVID-19 cases and deaths in different
countries. Our analysis is based on a modification of the law of anomalous numbers, the …

Abstract Background Non-pharmaceutical interventions (NPIs) have been the cornerstone of
COVID-19 pandemic control, but evidence on their effectiveness mostly stems from the early …