The adaptive immune response is a major determinant of the clinical outcome after SARS-
CoV-2 infection and underpins vaccine efficacy. T cell responses develop early and …

Emerging as a new epidemic, long COVID or post-acute sequelae of coronavirus disease
2019 (COVID-19), a condition characterized by the persistence of COVID-19 symptoms …

The Omicron lineage of SARS-CoV-2, which was first described in November 2021, spread
rapidly to become globally dominant and has split into a number of sublineages. BA. 1 …

On 24 th November 2021, the sequence of a new SARS-CoV-2 viral isolate Omicron-B. 1.1.
529 was announced, containing far more mutations in Spike (S) than previously reported …

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 …

Immunological memory is the basis of protective immunity provided by vaccines and
previous infections. Immunological memory can develop from multiple branches of the …

To date, the coronavirus disease 2019 (COVID-19) caused by severe acute respiratory
syndrome coronavirus 2 (SARS-CoV-2) has determined 399,600,607 cases and 5,757,562 …

The UK Medical Research Council's widely used guidance for developing and evaluating
complex interventions has been replaced by a new framework, commissioned jointly by the …

With the constantly mutating of SARS-CoV-2 and the emergence of Variants of Concern
(VOC), the implementation of vaccination is critically important. Existing SARS-CoV-2 …

Background The safety and efficacy of the AZD1222 (ChAdOx1 nCoV-19) vaccine in a large,
diverse population at increased risk for severe acute respiratory syndrome coronavirus 2 …