Epidemiology, Others


Last updated: 2021 Nov 2
Total hit(s): 4
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Original Article
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Mortality rate was 2 times higher in unvaccinated (3.45%) and partially vaccinated people (vaccinated with COVISHIELD (ChAdOx1) or COVAXIN (BBV-152)) (3.35%) when compared to the fully vaccinated group (1.5%). Additional booster doses or a modification in vaccine type for these non-responders to vaccination should be investigated further.
Pre-print (medRXiv)
Date of Publishing 2021 Jul 16
Title Clinical outcomes in vaccinated individuals hospitalized with Delta variant of SARS-CoV-2
Impact factor
N/A
Date of Entry 2021 Nov 2


An examination of the number of reported deaths in Africa reveals significant disparities throughout the continent. In terms of case fatality rate, South Africa reported the highest number with 20241 deaths. Egypt, Sudan, Chad, and Niger, all of which share borders, were found to have the largest number of COVID-19-related deaths, indicating that more research is needed to understand the variables that contributed to this public health burden.
34031660
(medRxiv)
PMID
34031660
Date of Publishing: 2021 May 19
Title Epidemiology and genetic diversity of SARS-CoV-2 lineages circulating in Africa
Author(s) nameOkoh OS, Nii-Trebi NI et al.
Journal medRxiv
Impact factor
Cant find
Citation count: 1
Date of Entry 2021 Nov 2


In Scotland, Delta VOC was mostly found in younger, wealthier people. When compared to those with the Alpha VOC, the probability of COVID-19 hospital admission was increased in those with the Delta VOC, with the risk of admission being especially high in those with five or more relevant comorbidities. In those with the Delta VOC, the OxfordAstraZeneca vaccination appeared to be less efficient than the PfizerBioNTech vaccine in preventing SARS-CoV-2 infection.
thelancet.com
Date of Publishing 2021 Jun 14
Title SARS-CoV-2 Delta VOC in Scotland: demographics, risk of hospital admission, and vaccine effectiveness
Impact factor
N/A
Date of Entry 2021 Sep 30


The disease outcomes of patients infected with B.1.1.7, B.1.351, and B.1.617.2 with those with wild-type strains were compared. B.1.617.2 infection was associated with lower PCR Ct values and longer viral shedding. B.1.617.2 infection was associated with higher chances of oxygen requirement, ICU admission or death. There were a number of vaccine breakthrough infections in the cohort, all patients infected with VOC, post-vaccination suffered from mild disease.
europepmc.org
Date of Publishing 2021 Jun 07
Title Clinical and Virological Features of SARS-CoV-2 Variants of Concern: A Retrospective Cohort Study Comparing B.1.1.7 (Alpha), B.1.315 (Beta), and B.1.617.2 (Delta)
Impact factor
N/A
Date of Entry 2021 Sep 13