Background A country level exploratory analysis was conducted to assess the impact of
timing and type of national health policy/actions undertaken towards COVID-19 mortality and …

Objective Despite the increasing disease burden, there is a dearth of context-specific
evidence on the risk factors for COVID-19 positivity and subsequent death in Nigeria. Thus …

Objectives To investigate the temporal trends of 30-day mortality and hospitalisation in US
Veterans with COVID-19 and 30-day mortality in hospitalised veterans with COVID-19 and to …

Background Coronavirus disease-2019 (COVID-19), a pandemic that brought the whole
world to a standstill, has led to financial and health care burden. We aimed to evaluate …

Abstract Background Severe Acute Respiratory Syndrome coronavirus-2 (SARS-CoV-2) has
challenged public health agencies globally. In order to effectively target government …

Abstract Countries of the World Health Organization (WHO) African Region have
experienced a wide range of coronavirus disease 2019 (COVID-19) epidemics. This study …

Background Little attention has been paid to the comparison of COVID-19 pandemic
responses and related factors in BRICS (Brazil, Russia, India, China, and South Africa) …

Background: The rapid growth in cases of COVID-19 has challenged national healthcare
capacity, testing systems at an advanced ICU, and public health infrastructure level. This …

Objective This study retrospectively examined the health and social determinants of the
COVID-19 outbreak in 175 countries from a spatial epidemiological approach. Methods We …

A question central to the Covid-19 pandemic is why the Covid-19 mortality rate varies so
greatly across countries. This study aims to investigate factors associated with cross-country …