HomeServicesBlogDictionariesContactSpanish Course
Home › Dictionary › English › H1N1
Back to search

H1N1

Noun CEFR B1

Definitions

A strain of influenza, the most common cause of flu in humans; also the strain responsible for swine flu.

uncountable

Equivalents

Examples

“The current H1N1 virus (swine flu) is a mixture of avian flus that passed through pigs to humans.”

CEFR level

B1
Intermediate
This word is part of the CEFR B1 vocabulary — intermediate level.
See all B1 English words →

See also

H2 H2G2 H₂O H2RA H35 h4`gt``lt`0r

Learn this word in context

See H1N1 used in real conversations inside our free language course.

Start Free Course

Know this word better than we do? Language is a living thing — help us keep it growing. Collaborate with Babel Free