Effectiveness Associated With BNT162b2 Vaccine Against Emergency Department and Urgent Care Encounters for Delta and Omicron SARS-CoV-2 Infection Among Adolescents Aged 12 to 17 Years
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DOI: 10.1001/jamanetworkopen.2022.25162
Abstract: Key Points Question What is the durability associated with 2 doses of the BNT162b2 COVID-19 vaccine against Delta- and Omicron-related emergency department and urgent care encounters among adolescents aged 12 to 17 years, and is… read more here.
Keywords: department urgent; delta omicron; emergency department; urgent care ... See more keywords
Estimated BNT162b2 Vaccine Effectiveness Against Infection With Delta and Omicron Variants Among US Children 5 to 11 Years of Age
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DOI: 10.1001/jamanetworkopen.2022.46915
Abstract: Key Points Question What is the estimated vaccine effectiveness (VE) and durability of BNT162b2 against infection with the Delta and Omicron variants of SARS-CoV-2 among 5- to 11-year-old children? Findings In this test-negative case-control study… read more here.
Keywords: infection delta; vaccine effectiveness; vaccine; delta omicron ... See more keywords
Estimated Effectiveness of Postpartum Maternal Messenger RNA COVID-19 Vaccination Against Delta and Omicron SARS-CoV-2 Infection and Hospitalization in Infants Younger Than 6 Months
Sign Up to like & getrecommendations! Published in 2023 at "JAMA Pediatrics"
DOI: 10.1001/jamapediatrics.2022.6134
Abstract: This case-control study estimates the effectiveness of maternal postpartum messenger RNA (mRNA) COVID-19 vaccination against Delta and Omicron SARS-CoV-2 infection and hospitalization in infants younger than 6 months. read more here.
Keywords: messenger rna; vaccination delta; omicron sars; covid vaccination ... See more keywords
Disease severity and efficacy of homologous vaccination among patients infected with SARS‐CoV‐2 Delta or Omicron VOCs, compared to unvaccinated using main biomarkers
Sign Up to like & getrecommendations! Published in 2022 at "Journal of Medical Virology"
DOI: 10.1002/jmv.28098
Abstract: From March 2021, various countries including Iraq issued prompted recommendations for increased COVID‐19 vaccine protection in individuals especially those at risk of catching the virus (i.e., lifestyle, health sector workers, and chronic diseases). It is… read more here.
Keywords: covid; severity; vaccine; delta omicron ... See more keywords
The “vaccine” hubbub: Viral load comparisons of SARS‐CoV‐2 Delta and Omicron variants against different vaccine–booster vaccine combinations
Sign Up to like & getrecommendations! Published in 2022 at "Journal of Medical Virology"
DOI: 10.1002/jmv.28309
Abstract: There is a significant body of evidence showing that efficient vaccination schemes against severe acute respiratory syndrome coronavirus 2 (SARS‐CoV‐2) is helping control the coronavirus disease 2019 (COVID‐19) pandemic. However, this goal cannot be achieved… read more here.
Keywords: viral load; omicron variants; vaccine; delta omicron ... See more keywords
Comparison of secondary attack rate and viable virus shedding between patients with SARS‐CoV‐2 Delta and Omicron variants: A prospective cohort study
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DOI: 10.1002/jmv.28369
Abstract: There are limited data comparing the transmission rates and kinetics of viable virus shedding of the Omicron variant to those of the Delta variant. We compared these rates in hospitalized patients infected with Delta and… read more here.
Keywords: secondary attack; virus shedding; virus; delta omicron ... See more keywords
Molecular screening of SARS‐CoV‐2 in dogs and cats from households with infected owners diagnosed with COVID‐19 during Delta and Omicron variant waves in Iran
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DOI: 10.1002/vms3.1036
Abstract: Abstract Objective The emergence of SARS‐CoV‐2 infection in dogs and cats in different countries worldwide raises concerns that pets are at a higher risk for spreading or transmitting of SARS‐CoV‐2 to humans and other pets… read more here.
Keywords: infected owners; sars cov; positive owners; delta omicron ... See more keywords
Exploring the Binding Affinity and Mechanism between ACE2 and the Trimers of Delta and Omicron Spike Proteins by Molecular Dynamics Simulation and Bioassay
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DOI: 10.1021/acs.jcim.2c00881
Abstract: Five major variants of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) have emerged and posed challenges in controlling the pandemic. Among them, the current dominant variant, viz., Omicron, has raised serious concerns about its infectiousness… read more here.
Keywords: affinity; molecular dynamics; mechanism; protein trimers ... See more keywords
Sequential immunizations confer cross-protection against variants of SARS-CoV-2, including Omicron in Rhesus macaques
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DOI: 10.1038/s41392-022-00979-z
Abstract: Variants of concern (VOCs) like Delta and Omicron, harbor a high number of mutations, which aid these viruses in escaping a majority of known SARS-CoV-2 neutralizing antibodies (NAbs). In this study, Rhesus macaques immunized with… read more here.
Keywords: omicron; sequential immunization; delta omicron; sars cov ... See more keywords
Similar SARS-CoV-2 Ct value distributions in anterior nares versus nasopharyngeal samples from symptomatic children during Delta and Omicron surges.
Sign Up to like & getrecommendations! Published in 2022 at "Journal of the Pediatric Infectious Diseases Society"
DOI: 10.1093/jpids/piac130
Abstract: In symptomatic children tested for COVID-19 by PCR during both Delta and Omicron surges, Cycle threshold value medians and distributions in anterior nares (AN) and nasopharyngeal (NP) samples were very similar, suggesting similar yield of… read more here.
Keywords: distributions anterior; nasopharyngeal samples; anterior nares; omicron surges ... See more keywords
Risk of severe COVID-19 from the Delta and Omicron variants in relation to vaccination status, sex, age and comorbidities – surveillance results from southern Sweden, July 2021 to January 2022
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DOI: 10.1101/2022.02.03.22270389
Abstract: The risk of severe COVID-19 disease requiring hospitalization with extensive oxygen supply was compared among infected cases during two calendar periods when Delta and Omicron, respectively, were the dominating virus variants in Scania county, Sweden.… read more here.
Keywords: vaccination; severe covid; risk; risk severe ... See more keywords