Browsing by Author "Mumtaz, Ghina R."
Now showing items 1-11 of 11
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Age could be driving variable SARS-CoV-2 epidemic trajectories worldwide
( Public Library of Science , 2020 , Article)Current geographic spread of documented severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infections shows heterogeneity. This study explores the role of age in potentially driving differentials in infection ... -
Analyzing inherent biases in SARS-CoV-2 PCR and serological epidemiologic metrics
( springer nature , 2022 , Article)Background: Prospective observational data show that infected persons with the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) remain polymerase chain reaction (PCR) positive for a prolonged duration, and that ... -
Characterizing key attributes of COVID-19 transmission dynamics in China's original outbreak: Model-based estimations
( Elsevier , 2020 , Article)A novel coronavirus strain, severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), emerged in China. This study aims to characterize key attributes of SARS-CoV-2 epidemiology as the infection emerged in China. An ... -
Estimates of global SARS-CoV-2 infection exposure, infection morbidity, and infection mortality rates in 2020
( Elsevier , 2021 , Article)We aimed to estimate, albeit crudely and provisionally, national, regional, and global proportions of respective populations that have been infected with SARS-CoV-2 in the first year after the introduction of this virus ... -
Hepatitis C virus transmission among people who inject drugs in the Middle East and North Africa: mathematical modeling analyses of incidence and intervention impact
( Elsevier , 2025 , Article)BackgroundThe Middle East and North Africa (MENA) region is the most affected by hepatitis C virus (HCV) infection globally. This study aimed to estimate HCV incidence among people who inject drugs (PWID) in MENA and ... -
Impact of the COVID-19 pandemic on sexually transmitted infection testing and diagnosis in Lebanon: A retrospective chart review
( Elsevier , 2024 , Article)BackgroundSocial distancing restrictions during the COVID-19 pandemic caused disruptions to sexual health services (SHS) worldwide. During the first year of the pandemic, Lebanon implemented multiple lockdowns during which ... -
Prevalence of Chlamydia trachomatis infection in the general population of women in Qatar
( BMJ Publishing Group , 2013 , Article)Objectives The Arabian Gulf region has limited epidemiological data related to sexually transmitted infections. The objective of this study was to estimate the prevalence of Chlamydia trachomatis infection among general ... -
SARS-CoV-2 infection hospitalization, severity, criticality, and fatality rates in Qatar
( Nature Research , 2021 , Article)The SARS-CoV-2 pandemic resulted in considerable morbidity and mortality as well as severe economic and societal disruptions. Despite scientific progress, true infection severity, factoring both diagnosed and undiagnosed ... -
Sexually transmitted infections among pregnant Syrian refugee women seeking antenatal care in Lebanon
( Oxford University Press , 2024 , Article)Untreated sexually transmitted infections (STIs) may have devastating effects on maternal and neonatal health. While routine antenatal STI screening is adopted in many high-income countries, there remain significant gaps ... -
Status of the HIV epidemic in key populations in the Middle East and north Africa: knowns and unknowns.
( The Lancet HIV , 2022 , Article)The Middle East and north Africa is one of only two world regions where HIV incidence is on the rise, with most infections occurring among key populations: people who inject drugs, men who have sex with men, and female sex ... -
Syphilis infection prevalence in the Middle East and North Africa: a systematic review and meta-analysis
( Elsevier , 2024 , Article)Background: Syphilis is a sexually transmitted infection (STI) that can be prevented and effectively treated; yet it continues to be a cause of morbidity and mortality worldwide. There is a limited understanding of the ...
