H1N1

American

Pathology.

a subtype of the type A influenza virus, with strains that give rise to seasonal epidemics, or sometimes pandemics, including a strain with swine, avian, and human genes responsible for swine flu.

Etymology

Origin of H1N1

First recorded in 1970–75; abbreviation of h(aemagglutinin type)1 and n(euraminidase type) 1

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Public health scientists at the Columbia University Mailman School of Public Health used advanced computer simulations to trace how the 2009 H1N1 flu pandemic and the 2020 COVID-19 pandemic spread across the United States.

From Science Daily

The 2009 H1N1 flu pandemic led to 274,304 hospitalizations and 12,469 deaths.

From Science Daily

Although H1N1 and COVID-19 followed different routes between locations, both relied on shared transmission hubs, including major metro areas such as New York and Atlanta.

From Science Daily

"The rapid and uncertain spread of the 2009 H1N1 flu and 2020 COVID-19 pandemics underscores the challenges for timely detection and control. Expanding wastewater surveillance coverage coupled with effective infection control could potentially slow the initial spread of future pandemics," says the study's senior author, Sen Pei, PhD, assistant professor of environmental health sciences at Columbia Mailman School.

From Science Daily

In the spring of 2009, a shift happened with an H1N1 strain, also known as swine flu.

From Salon

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023