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Table 2 Influenza virus test results of ILI specimens (Subtype of the influenza virus )

From: Molecular epidemiological analysis of Influenza viruses in Influenza-like illness cases: a retrospective study in Chongqing Hi-Tech Zone, China (2021–2024)

times

Influenza A virus

Influenza B virus

H1(%)

H3 (%)

Yamagata (%)

Victoria (%)

April 2023

0

100

0

100

May 2023

0

100

0

100

June 2023

0

0

0

0

July 2023

0

0

0

0

August 2023

0

0

0

0

September 2023

0

100

0

0

October 2023

0

100

0

100

November 2023

0

100

0

100

December 2023

0

100

0

100

January 2024

82

18

0

100

February 2024

16

84

0

100

March 2024

87

13

0

100

April 2024

87

13

0

100