Reconciling estimates of global spread and infection fatality rates of COVID‐19: an overview of systematic evaluations

JPA Ioannidis - European journal of clinical investigation, 2021‏ - Wiley Online Library
Background Estimates of community spread and infection fatality rate (IFR) of COVID‐19
have varied across studies. Efforts to synthesize the evidence reach seemingly discrepant …

SARS-CoV-2 infection in pediatric population before and during the Delta (B. 1.617. 2) and Omicron (B. 1.1. 529) variants era

H Khemiri, K Ayouni, H Triki, S Haddad-Boubaker - Virology journal, 2022‏ - Springer
Background COVID-19, the coronavirus disease that emerged in December 2019, caused
drastic damage worldwide. At the beginning of the pandemic, available data suggested that …

Assessment of protection against reinfection with SARS-CoV-2 among 4 million PCR-tested individuals in Denmark in 2020: a population-level observational study

CH Hansen, D Michlmayr, SM Gubbels, K Mølbak… - The lancet, 2021‏ - thelancet.com
Background The degree to which infection with SARS-CoV-2 confers protection towards
subsequent reinfection is not well described. In 2020, as part of Denmark's extensive, free-of …

[HTML][HTML] Examining vaccine hesitancy in Sub-Saharan Africa: a survey of the knowledge and attitudes among adults to receive COVID-19 vaccines in Ghana

T Acheampong, EA Akorsikumah, J Osae-Kwapong… - Vaccines, 2021‏ - mdpi.com
The impact of COVID-19 vaccination programmes on disease transmission, morbidity and
mortality relies heavily on the population's willingness to accept the vaccine. We explore …

Estimating the effect of social inequalities on the mitigation of COVID-19 across communities in Santiago de Chile

N Gozzi, M Tizzoni, M Chinazzi, L Ferres… - Nature …, 2021‏ - nature.com
We study the spatio-temporal spread of SARS-CoV-2 in Santiago de Chile using
anonymized mobile phone data from 1.4 million users, 22% of the whole population in the …

Age-dependent impact of the major common genetic risk factor for COVID-19 on severity and mortality

T Nakanishi, S Pigazzini, F Degenhardt… - The Journal of clinical …, 2021‏ - jci.org
Background There is considerable variability in COVID-19 outcomes among younger adults,
and some of this variation may be due to genetic predisposition. Methods We combined …

Effects of adjusting public health, travel, and social measures during the roll-out of COVID-19 vaccination: a modelling study

K Leung, JT Wu, GM Leung - The Lancet Public Health, 2021‏ - thelancet.com
Background Since the emergence of the COVID-19 pandemic in late 2019, various public
health and social measures (PHSMs) have been used to suppress and mitigate the spread …

Nationally representative SARS-CoV-2 antibody prevalence estimates after the first epidemic wave in Mexico

A Basto-Abreu, M Carnalla, L Torres-Ibarra… - Nature …, 2022‏ - nature.com
Seroprevalence surveys provide estimates of the extent of SARS-CoV-2 infections in the
population, regardless of disease severity and test availability. In Mexico in 2020, COVID-19 …

The COVID-19 pandemic

A Burdorf, F Porru, R Rugulies - … journal of work, environment & health, 2021‏ - JSTOR
About one year ago, we wrote about how the COVID-19 pandemic was unfolding worldwide
and started to impact our personal and professional lives (1). Little did we know that, one …

[HTML][HTML] High seroprevalence of SARS-CoV-2 but low infection fatality ratio eight months after introduction in Nairobi, Kenya

I Ngere, J Dawa, E Hunsperger, N Otieno… - International Journal of …, 2021‏ - Elsevier
Background The lower than expected COVID-19 morbidity and mortality in Africa has been
attributed to multiple factors, including weak surveillance. This study estimated the burden of …