variants: US SARS-CoV-2 variant data.

variantsR Documentation

US SARS-CoV-2 variant data.

Description

Weekly fraction of identification of the various CoV-2 variants May 2021 through March 2022. From coronavirus.health.ny.gov/clinical-variant-data/

Usage

variants

Format

A data frame with 47 rows and 7 variables:

date

End of week of sample

other

Early variants

B.1.617.2

Delta variant

B.1.1.529

First omicron variant

BA.1.1

Omicron variant BA.1

BA.2

Omicron variant BA.2 and BA.2.12

BA.2.12.1

Omicron variant BA 2.12.1


epimdr2 documentation built on March 31, 2026, 5:06 p.m.