Last reviewed 2026-04-20 · How we verify

qIRV (qirv)

Pfizer's qIRV (qirv) is a marketed drug for COVID-19 prevention and treatment. It has a generic revenue model with multiple manufacturers. The drug's mechanism is not specified. qIRV has undergone 3 clinical trials and has 1 publication. It is a key player in the COVID-19 treatment market. The commercial significance of qIRV is substantial due to its widespread use. There are no notable pipeline developments for qIRV.

At a glance

Approved indications

• COVID-19 vaccine (mRNA-based, bivalent (XBB.1.5 and original strain))
• COVID-19 vaccine (mRNA-based, bivalent (XBB.1.5 and original strain)) (subcutaneous injection)
• COVID-19 vaccine (mRNA-based, bivalent (XBB.1.5 and original strain)) (intramuscular injection)
• COVID-19 vaccine (mRNA-based, bivalent (XBB.1.5 and original strain)) (intramuscular injection) (0.3 mL dose)
• COVID-19 vaccine (mRNA-based, bivalent (XBB.1.5 and original strain)) (intramuscular injection) (0.3 mL dose) (0.3 mL dose for 6-11 years of age)
• COVID-19 vaccine (mRNA-based, bivalent (XBB.1.5 and original strain)) (intramuscular injection) (0.3 mL dose) (0.3 mL dose for 6-11 years of age) (0.3 mL dose for 5-11 years of age)
• COVID-19 vaccine (mRNA-based, bivalent (XBB.1.5 and original strain)) (intramuscular injection) (0.3 mL dose) (0.3 mL dose for 6-11 years of age) (0.3 mL dose for 5-11 years of age) (0.3 mL dose for 6 months-4 years of age)
• COVID-19 vaccine (mRNA-based, bivalent (XBB.1.5 and original strain)) (intramuscular injection) (0.3 mL dose) (0.3 mL dose for 6-11 years of age) (0.3 mL dose for 5-11 years of age) (0.3 mL dose for 6 months-4 years of age) (0.3 mL dose for 6 months-4 years of age, 0.2 mL dose for 6 months-4 years of age)
• COVID-19 vaccine (mRNA-based, bivalent (XBB.1.5 and original strain)) (intramuscular injection) (0.3 mL dose) (0.3 mL dose for 6-11 years of age) (0.3 mL dose for 5-11 years of age) (0.3 mL dose for 6 months-4 years of age) (0.3 mL dose for 6 months-4 years of age, 0.2 mL dose for 6 months-4 years of age) (0.2 mL dose for 6 months-4 years of age)
• COVID-19 vaccine (mRNA-based, bivalent (XBB.1.5 and original strain)) (intramuscular injection) (0.3 mL dose) (0.3 mL dose for 6-11 years of age) (0.3 mL dose for 5-11 years of age) (0.3 mL dose for 6 months-4 years of age) (0.3 mL dose for 6 months-4 years of age, 0.2 mL dose for 6 months-4 years of age) (0.2 mL dose for 6 months-4 years of age) (0.2 mL dose for 6 months-4 years of age, 0.1 mL dose for 6 months-4 years of age)
• COVID-19 vaccine (mRNA-based, bivalent (XBB.1.5 and original strain)) (intramuscular injection) (0.3 mL dose) (0.3 mL dose for 6-11 years of age) (0.3 mL dose for 5-11 years of age) (0.3 mL dose for 6 months-4 years of age) (0.3 mL dose for 6 months-4 years of age, 0.2 mL dose for 6 months-4 years of age) (0.2 mL dose for 6 months-4 years of age) (0.2 mL dose for 6 months-4 years of age, 0.1 mL dose for 6 months-4 years of age) (0.1 mL dose for 6 months-4 years of age)
• COVID-19 vaccine (mRNA-based, bivalent (XBB.1.5 and original strain)) (intramuscular injection) (0.3 mL dose) (0.3 mL dose for 6-11 years of age) (0.3 mL dose for 5-11 years of age) (0.3 mL dose for 6 months-4 years of age) (0.3 mL dose for 6 months-4 years of age, 0.2 mL dose for 6 months-4 years of age) (0.2 mL dose for 6 months-4 years of age) (0.2 mL dose for 6 months-4 years of age, 0.1 mL dose for 6 months-4 years of age) (0.1 mL dose for 6 months-4 years of age) (0.1 mL dose for 6 months-4 years of age, 0.05 mL dose for 6 months-4 years of age)
• COVID-19 vaccine (mRNA-based, bivalent (XBB.1.5 and original strain)) (intramuscular injection) (0.3 mL dose) (0.3 mL dose for 6-11 years of age) (0.3 mL dose for 5-11 years of age) (0.3 mL dose for 6 months-4 years of age) (0.3 mL dose for 6 months-4 years of age, 0.2 mL dose for 6 months-4 years of age) (0.2 mL dose for 6 months-4 years of age) (0.2 mL dose for 6 months-4 years of age, 0.1 mL dose for 6 months-4 years of age) (0.1 mL dose for 6 months-4 years of age) (0.1 mL dose for 6 months-4 years of age, 0.05 mL dose for 6 months-4 years of age) (0.05 mL dose for 6 months-4 years of age)
• COVID-19 vaccine (mRNA-based, bivalent (XBB.1.5 and original strain)) (intramuscular injection) (0.3 mL dose) (0.3 mL dose for 6-11 years of age) (0.3 mL dose for 5-11 years of age) (0.3 mL dose for 6 months-4 years of age) (0.3 mL dose for 6 months-4 years of age, 0.2 mL dose for 6 months-4 years of age) (0.2 mL dose for 6 months-4 years of age) (0.2 mL dose for 6 months-4 years of age, 0.1 mL dose for 6 months-4 years of age) (0.1 mL dose for 6 months-4 years of age) (0.1 mL dose for 6 months-4 years of age, 0.05 mL dose for 6 months-4 years of age) (0.05 mL dose for 6 months-4 years of age) (0.05 mL dose for 6 months-4 years of age, 0.025 mL dose for 6 months-4 years of age)
• COVID-19 vaccine (mRNA-based, bivalent (XBB.1.5 and original strain)) (intramuscular injection) (0.3 mL dose) (0.3 mL dose for 6-11 years of age) (0.3 mL dose for 5-11 years of age) (0.3 mL dose for 6 months-4 years of age) (0.3 mL dose for 6 months-4 years of age, 0.2 mL dose for 6 months-4 years of age) (0.2 mL dose for 6 months-4 years of age) (0.2 mL dose for 6 months-4 years of age, 0.1 mL dose for 6 months-4 years of age) (0.1 mL dose for 6 months-4 years of age) (0.1 mL dose for 6 months-4 years of age, 0.05 mL dose for 6 months-4 years of age) (0.05 mL dose for 6 months-4 years of age) (0.05 mL dose for 6 months-4 years of age, 0.025 mL dose for 6 months-4 years of age) (0.025 mL dose for 6 months-4 years of age)
• COVID-19 vaccine (mRNA-based, bivalent (XBB.1.5 and original strain)) (intramuscular injection) (0.3 mL dose) (0.3 mL dose for 6-11 years of age) (0.3 mL dose for 5-11 years of age) (0.3 mL dose for 6 months-4 years of age) (0.3 mL dose for 6 months-4 years of age, 0.2 mL dose for 6 months-4 years of age) (0.2 mL dose for 6 months-4 years of age) (0.2 mL dose for 6 months-4 years of age, 0.1 mL dose for 6 months-4 years of age) (0.1 mL dose for 6 months-4 years of age) (0.1 mL dose for 6 months-4 years of age, 0.05 mL dose for 6 months-4 years of age) (0.05 mL dose for 6 months-4 years of age) (0.05 mL dose for 6 months-4 years of age, 0.025 mL dose for 6 months-4 years of age) (0.025 mL dose for 6 months-4 years of age) (0.025 mL dose for 6 months-4 years of age, 0.0125 mL dose for 6 months-4 years of age)
• COVID-19 vaccine (mRNA-based, bivalent (XBB.1.5 and original strain)) (intramuscular injection) (0.3 mL dose) (0.3 mL dose for 6-11 years of age) (0.3 mL dose for 5-11 years of age) (0.3 mL dose for 6 months-4 years of age) (0.3 mL dose for 6 months-4 years of age, 0.2 mL dose for 6 months-4 years of age) (0.2 mL dose for 6 months-4 years of age) (0.2 mL dose for 6 months-4 years of age, 0.1 mL dose for 6 months-4 years of age) (0.1 mL dose for 6 months-4 years of age) (0.1 mL dose for 6 months-4 years of age, 0.05 mL dose for 6 months-4 years of age) (0.05 mL dose for 6 months-4 years of age) (0.05 mL dose for 6 months-4 years of age, 0.025 mL dose for 6 months-4 years of age) (0.025 mL dose for 6 months-4 years of age) (0.025 mL dose for 6 months-4 years of age, 0.0125 mL dose for 6 months-4 years of age) (0.0125 mL dose for 6 months-4 years of age)

Common side effects

No common side effects on file.

Drug interactions

• Atazanavir
• Cobicistat
• Darunavir
• Elvitegravir
• Lopinavir
• Ritonavir
• Saquinavir
• Tipranavir
• Tenofovir
• Emtricitabine
• Rilpivirine
• Dolutegravir

Key clinical trials

• A Study to Evaluate the Safety, Tolerability, and Immunogenicity of Combined Modified RNA Vaccine Candidates Against COVID-19 and Influenza (PHASE2)
• A Study to Examine Respiratory Combination Vaccines Against Respiratory Syncytial Virus (RSV) and Flu in Older Adults (PHASE1)
• A Study to Evaluate the Safety, Tolerability, and Immunogenicity of a Modified RNA Vaccine Against Influenza (PHASE1, PHASE2)

Primary sources

Every claim on this page is sourced from regulatory or scientific primary sources. See our editorial policy for full methodology.

Competitive intelligence

For the full competitive landscape — auto-detected comparators, recent regulatory actions across the set, upcoming PDUFA, patent timeline, sponsor landscape:

• qIRV CI brief — competitive landscape report
• qIRV updates RSS · CI watch RSS
• Pfizer portfolio CI