tIRV is developed by Pfizer Inc..

What are the side effects of tIRV?

Common side effects include Injection site pain (PAIN), Chills (CHILLS), Headache (HEADACHE), Fatigue (FATIGUE), Myalgia (MUSCLE PAIN), Injection site swelling (SWELLING).

What is the generic name of tIRV?

tirv is the generic (nonproprietary) name of tIRV.

Last reviewed 2026-04-20 · How we verify

tIRV (tirv)

Pfizer Inc. · Phase 2 active Quality 15/100

At a glance

Generic name	tirv
Sponsor	Pfizer Inc.
Phase	Phase 2

Approved indications

No approved indications tracked.

Common side effects

Injection site pain (PAIN)
Chills (CHILLS)
Headache (HEADACHE)
Fatigue (FATIGUE)
Myalgia (MUSCLE PAIN)
Injection site swelling (SWELLING)
Arthralgia (JOINT PAIN)
Injection site erythema (REDNESS)
Pyrexia (FEVER)
Diarrhoea (DIARRHEA)
Vomiting (VOMITING)
Dermatitis contact

Key clinical trials

A Study to Evaluate the Safety, Tolerability, and Immunogenicity of Combined Modified RNA Vaccine Candidates Against COVID-19 and Influenza (PHASE2)

Primary sources

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

Source	Used for
ClinicalTrials.gov	Trial enrolment, design, endpoints, results

Competitive intelligence

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

tIRV CI brief — competitive landscape report
tIRV updates RSS · CI watch RSS
Pfizer Inc. portfolio CI