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Trends in fecal carriage of carbapenemase-producing Enterobacterales in children before and after the implementation of international travel restrictions in response to COVID-19
(
Elsevier
, 2021 , Other)
Qatar is located on the northeast coast of the Arabian Peninsula with a large expatriate population comprising 86% of the country's population, most of whom originate from Indian subcontinent countries [1]. International ...
Blue photobiomodulation LED therapy impacts SARS-CoV-2 by limiting its replication in Vero cells
(
Wiley
, 2021 , Other)
The study of any intervention able to counteract SARS-CoV-2 pandemic is considerably envisaged. It was previously shown, in in vitro models of infections, that the LED blue light is able to decrease the viral load of HSV-1 ...
Protection against the omicron variant from previous SARS-CoV-2 infection
(
Massachusetts Medical Society
, 2022 , Other)
Natural infection with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) elicits strong protection against reinfection with the B.1.1.7 (alpha),1,2 B.1.351 (beta),1 and B.1.617.2 (delta)3 variants. However, the ...
Immune Imprinting and Protection against Repeat Reinfection with SARS-CoV-2
(
Massachusetts Medical Society
, 2022 , Other)
More than 2 years into the coronavirus disease 2019 (Covid-19) pandemic, the global population carries heterogeneous immune histories derived from various exposures to infection, viral variants, and vaccination.1 Evidence ...
Effect of near-infrared and blue laser light on vero E6 cells SARS-CoV-2 infection model
(
Wiley
, 2022 , Other)
Photobiomodulation therapy (PBMT) employing laser light has been emerging as a safe strategy to challenge viruses. In this study the effect of blue and near-infrared (NIR) laser light was assessed in an in vitro model of ...
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 ...
Human Defensins from Antivirals to Vaccine Adjuvants: Rediscovery of the Innate Immunity Arsenal
(
Bentham Science Publishers
, 2022 , Other)
Human defensins are a class of antimicrobial peptides, belonging to the innate immunity system. These peptides are expressed at the level of respiratory tract (both upper and lower) where they represent the first line of ...
Do preexisting antibodies against seasonal coronaviruses have a protective role against SARS-CoV-2 infections and impact on COVID-19 severity?
(
Elsevier
, 2022 , Other)
Because of the emergence of coronavirus disease 2019 (COVID-19), caused by the novel severe acute respiratory syndrome coronavirus (SARS-CoV-2), many questions remain unresolved regarding the abundance of cross-reactivity ...
Waning mRNA-1273 Vaccine Effectiveness against SARS-CoV-2 Infection in Qatar
(
Massachussetts Medical Society
, 2022 , Other)
In early 2021, Qatar launched a mass immunization campaign with the mRNA-1273 (Moderna)1 vaccine against coronavirus disease 2019 (Covid-19).2 We assessed the persistence of real-world vaccine effectiveness against severe ...