intranasal

American  

[in-truh-ney-zuhl] / ˌɪn trəˈneɪ zəl /

adjective

1. occurring within or administered through the nose.

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Other Word Forms

• intranasally adverb

Etymology

Origin of intranasal

First recorded in 1885–90; intra- + nasal ¹

Example Sentences

The scientists are testing the vaccine as a regular shot and as an intranasal spray with the idea of stopping the virus in the respiratory tract before it causes a broad infection.

From Salon • May 6, 2025

A single intranasal dose of EV25, a bispecific small molecule developed by Eradivir, acts faster than the current standard of care, eliminating the detectable virus within 24 hours.

From Science Daily • Nov. 19, 2024

The FDA must approve vaccines for use by the public in the U.S., and this intranasal vaccine is not one of the COVID-19 shots with approval or emergency use authorization.

From Seattle Times • Oct. 13, 2023

Durbin says the intranasal vaccine can produce local immunity at the site where it enters the body—in this case the upper respiratory tract.

From Slate • Dec. 7, 2022

There is one intranasal vaccine given now — FluMist — but it uses a weak version of the live flu virus, which is not safe for immunocompromised people.

From The Verge • Jun. 23, 2022