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janssen vaccine + pfizer-biontech covid-19 vaccine
- Development stage
- Unknown
- Lead developer
- Janssen Pharmaceutical
- Modality
- Vaccines & Immunotherapeutics
- Administration
- Intramuscular
01
Overview
This entry refers to the sequential or combined administration of two distinct COVID-19 vaccines—Janssen COVID‑19 Vaccine (Ad26.COV2.S) and Pfizer-BioNTech COVID‑19 Vaccine (BNT162b2). The Janssen vaccine is a viral vector-based product using a recombinant, replication-incompetent adenovirus type 26 to deliver DNA encoding the SARS-CoV-2 spike protein. The Pfizer-BioNTech vaccine is an mRNA-based product that delivers messenger RNA encoding the spike protein of SARS-CoV-2. Both vaccines induce immune responses against the spike protein but use different delivery platforms and immunization schedules. This combination has been studied in "mix-and-match" or heterologous prime/boost regimens for enhanced immunogenicity and flexibility in vaccination programs[3][6]. Each component retains its original mechanism of action.
- Brand names
- JcovdenComirnaty
- Other names
- janssen covid-19 vaccine + pfizer-biontech covid-19 vaccinejohnson & johnson covid-19 vaccine + comirnaty
02
Targets
SARS-CoV-2 spike
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