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Evolution and dynamics of the pandemic H1N1 influenza hemagglutinin protein from 2009 to 2017.
(
Springer Vienna
, 2018 , Article)
The emergence of swine-origin pandemic H1N1 (pH1N1) in 2009 invigorated extensive surveillance programs worldwide which have resulted in the deposition of large numbers of H1N1 sequences to Genbank. In the present study, ...
Epidemiology of respiratory infections among adults in Qatar (2012-2017).
(
Public Library of Science
, 2019 , Article)
Limited data is available about the etiology of influenza like illnesses (ILIs) in Qatar. This study aimed at providing preliminary estimates of influenza and other respiratory infections circulating among adults in Qatar. ...
Epidemiological and genetic characterization of pH1N1 and H3N2 influenza viruses circulated in MENA region during 2009-2017.
(
BMC
, 2019 , Article)
Influenza surveillance is necessary for detection of emerging variants of epidemiologic and clinical significance. This study describes the epidemiology of influenza types A and B, and molecular characteristics of surface ...
Within-Host Diversity of SARS-CoV-2 in COVID-19 Patients With Variable Disease Severities.
(
Frontiers Media
, 2020 , Article)
The ongoing pandemic of SARS-COV-2 has already infected more than eight million people worldwide. The majority of COVID-19 patients either are asymptomatic or have mild symptoms. Yet, about 15% of the cases experience ...
Reinfections in COVID-19 Patients: Impact of Virus Genetic Variability and Host Immunity
(
MDPI
, 2021 , Article)
The COVID-19 pandemic is still posing a devastating threat to social life and economics. Despite the modest decrease in the number of cases during September-November 2020, the number of active cases is on the rise again. ...
Epidemiology Profile of Viral Meningitis Infections Among Patients in Qatar (2015-2018)
(
Frontiers Media
, 2021 , Article)
Little is known about the etiology of meningitis in the MENA region, including Qatar. Viral agents are considered the major cause for meningitis worldwide. Here, we present primary data about the etiology and clinical and ...
BNT162b2 antigen dose and SARS-CoV-2 omicron infection in adolescents
(
Elsevier
, 2023 , Other)
COVID-19 vaccine antigen dose might affect protection against SARS-CoV-2 infection,1, 2 but direct evidence to quantify this effect is absent. We conducted a matched, retrospective, cohort study using a regression ...
Vaccine evaluation and genotype characterization in children infected with rotavirus in Qatar
(
Springer Nature
, 2023 , Article)
Background: We characterized and identified the genetic and antigenic variations of circulating rotavirus strains in comparison to used rotavirus vaccines. Methods: Rotavirus-positive samples (n = 231) were collected and ...