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Browsing COVID-19 Research by Subject "vaccine"
Now showing items 1-15 of 15
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BNT162b2 and mRNA-1273 COVID-19 vaccine effectiveness against the SARS-CoV-2 Delta variant in Qatar.
( Nature Researc , 2021 , Article)With the global expansion of the highly transmissible SARS-CoV-2 Delta (B.1.617.2) variant, we conducted a matched test-negative case-control study to assess the real-world effectiveness of COVID-19 messenger RNA vaccines ... -
Clinical outcomes of Pfizer-BioNTech COVID-19 vaccine in children and adolescents: A systematic review
( John Wiley and Sons Inc , 2022 , Article Review)Background & Aims: The BioNTech-Pfizer vaccine is the only vaccine offered to children among all available vaccines. However, limited evidence is available about the clinical outcomes of COVID-19 vaccines, especially among ... -
COVID-19 Vaccine Hesitancy in a Representative Education Sector Population in Qatar
( MDPI , 2021 , Article)Even though vaccination programs have now started in earnest across the globe and in Qatar, vaccine hesitancy remains a barrier to effectively tackling the pandemic. Many factors influence willingness to take vaccines ... -
Effect of availability and COVID-19 vaccination on food shopping and consumption behaviors among Jordan universities students
( Frontiers Media , 2022 , Article)The COVID-19 pandemic influenced the lives of university students all across the globe. Indeed, the pandemic has impacted many aspects of their daily routine, changing their social and health habits and food-related ... -
Effectiveness of the BNT162b2 Covid-19 Vaccine against the B.1.1.7 and B.1.351 Variants.
( Massachusetts Medical Society , 2021 , Other)The messenger RNA vaccine BNT162b2 (Pfizer–BioNTech) has 95% efficacy against coronavirus disease 2019 (Covid-19). Qatar launched a mass immunization campaign with this vaccine on December 21, 2020. As of March 31, 2021, ... -
Effects of BA.1/BA.2 subvariant, vaccination, and prior infection on infectiousness of SARS-CoV-2 omicron infections.
( Oxford University Press , 2022 , Article)Compared to BA.1, BA.2 was associated with lower RT-qPCR cycle threshold (Ct) value-3.53 fewer cycles (95% CI: 3.46-3.60), signifying higher infectiousness. This may reflect higher viral load and/or longer duration of ... -
Effects of SARS-CoV-2 Alpha, Beta, and Delta variants, age, vaccination, and prior infection on infectiousness of SARS-CoV-2 infections
( Frontiers Media , 2022 , Article)In 2021, Qatar experienced considerable incidence of SARS-CoV-2 infection that was dominated sequentially by the Alpha, Beta, and Delta variants. Using the cycle threshold (Ct) value of an RT-qPCR-positive test to proxy ... -
Emerging COVID-19 variants and their impact on SARS-CoV-2 diagnosis, therapeutics and vaccines
( Taylor and Francis , 2022 , Article)The emergence of novel and evolving variants of SARS-CoV-2 has fostered the need for change in the form of newer and more adaptive diagnostic methods for the detection of SARS-CoV-2 infections. On the other hand, developing ... -
Impact of the COVID-19 Pandemic on the Physical Activity Profile and Glycemic Control Among Qatari Adults With Type 1 Diabetes: Effect of Vaccination Status
( Frontiers Media , 2022 , Article)Objective: To investigate the impact of COVID-19, as an influent barrier on physical activity (PA) patterns and glycemic control in Qatari adults with type 1 diabetes (T1D). As the COVID-19 vaccine may have a potential ... -
Molecular and Biological Mechanisms Underlying Gender Differences in COVID-19 Severity and Mortality
( Frontiers Media , 2021 , Article)Globally, over two million people have perished due to the recent pandemic caused by SARS-CoV-2. The available epidemiological global data for SARS-CoV-2 portrays a higher rate of severity and mortality in males. Analyzing ... -
Prevalence and correlates of COVID-19 vaccine hesitancy among the elderly in Qatar: A cross-sectional study
( Lippincott Williams and Wilkins , 2022 , Article)Older individuals are more vulnerable to severe coronavirus disease 2019 and medical complications. Vaccination stands as an efficient and safe vanguard against infection. However, negative attitudes and perceptions ... -
Relative infectiousness of SARS-CoV-2 vaccine breakthrough infections, reinfections, and primary infections.
( Springer , 2022 , Article)SARS-CoV-2 breakthrough infections in vaccinated individuals and in those who had a prior infection have been observed globally, but the transmission potential of these infections is unknown. The RT-qPCR cycle threshold ... -
The attitude and knowledge of pediatricians and family physicians toward COVID-19 vaccination in children: A cross-sectional study
( Taylor and Francis Ltd. , 2023 , Article)COVID-19 vaccines to children are expected to reduce the transmission of the disease to high-risk groups and achieve herd immunity in younger populations. A positive attitude toward COVID-19 vaccination in children among ... -
Think like a Virus: Toward Improving Nanovaccine Development against SARS-CoV-2
( MDPI , 2022 , Article Review)There is no doubt that infectious diseases present global impact on the economy, society, health, mental state, and even political aspects, causing a long-lasting dent, and the situation will surely worsen if and when the ... -
Waning of BNT162b2 Vaccine Protection against SARS-CoV-2 Infection in Qatar.
( Massachusetts Medical Society , 2021 , Article)Waning of vaccine protection against severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection or coronavirus disease 2019 (Covid-19) is a concern. The persistence of BNT162b2 (Pfizer-BioNTech) vaccine ...