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NCT05543616
The purpose of this clinical trial is to learn about the safety, extent of the side effects, and immune responses of the study vaccine (called variant-adapted BNT162b2 RNA-based vaccine) in healthy children. The trial is divided into 5 individual studies or substudies based on age group and prior history of COVID-19 vaccinations. All participants in each of the 5 sub-studies will receive study vaccine as a shot depending on what group they are in. * Substudy A design: Phase 1 includes participants 6 months through less than 4 years 3 months of age who have not received a previous coronavirus vaccination (COVID-19 vaccine naïve) and will receive 3 doses of study vaccine as their initial series, followed by a fourth dose of study vaccine. Phase 2/3 includes participants 6 months through less than 5 years of age who have not received a previous coronavirus vaccination (COVID-19 vaccine naive) and will receive 1, 2, or 3 doses of study vaccine, depending on what group they are in. * Substudy B design: includes participants 6 months through less than 5 years of age who have either received 2 or 3 prior doses of BNT162b2 and will receive study vaccine as their third or fourth dose. * Substudy C design: Phase 1 includes participants 6 months through less than 5 years of age who have received 3 prior doses of BNT162b2 and will receive study vaccine as their fourth dose. * Substudy D design: includes participants 5 through less than12 years of age who have received 2 or 3 prior doses of BNT162b2 and will receive study vaccine as their third or fourth dose. * Substudy E design: includes participants 5 through less than 12 years of age who have not received a previous coronavirus vaccination (COVID-19 vaccine naive) and will receive a single dose of study vaccine.
NCT06027398
The real-time reverse transcription-polymerase chain reaction (RT-PCR) test is regarded as the gold standard for SARS-CoV-2 detection. Proper specimen collection and obtaining a sufficient sample are the most important steps for laboratory diagnosis. The nasopharyngeal (NP) swab is recommended as the reference collection method. However, NP swab collection is invasive and uncomfortable for patients and poses some risk to healthcare workers. This study aimed to compare the efficacy of SARS-CoV-2 RNA detection from used surgical masks with the NP swab method using RT-PCR testing
NCT04956224
This is a A Phase III, Open label, Multicenter, Single Arm Study to assess the Safety, Tolerability and Immunogenicity of VLA2001 in volunteers aged ≥ 56 years. Approximately 300 participants are enrolled in a non-randomized manner.
NCT05060926
Retrospective study in Sars-Cov 2 patients hospitalised in ICU. We aim to explore the effects of Awake prone positioning on oxygenation and intubation rate.