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Virus Name: Tahyna

Abbreviation: TAHV

Status
Arbovirus

Select Agent
No

SALS Level
2

SALS Basis
Results of SALS surveys and information from the Catalogue.

Other Information

Antigenic Group
California

Section V - Antigenic Relationship and Lack of Relationship to Other Viruses

Not related to the viruses of groups A, B, C, Bunyamwera [5] .

Relationship between Tahyna and California encephalitis viruses by hemagglutination-inhibition test [5]
		Antigen
Antibody to:	Number of injections	Tahyna	CE



Tahyna, New York	1	80	10
Tahyna, New York	2	320	40
Tahyna, Porterfield		80	20
California enc.	5	1280	1280
California enc.	6	2560	2560

Relationship between Tahyna and California encephalitis virus by neutralization test
	Virus
Serum	Tahyna (Porterfield)		CE


	Titer, dex	Neutralization index	Titer, dex	Neutralization index
Tahyna, New York	2.7	4000	4.0	300
California enc.	2.7	4000	2.4	12000
Normal	6.3		6.5

Relationship by complement-fixation test between Tahyna and viruses of the California encephalitis serogroup (Whitman and Shope)
	Antigen
Antibody to:	Number of injections	Tahyna	CE	Melao	TVT


^* Serum titer/antigen titer; 0 = <4/<4


Tahyna	3	16/256 ^*	8/128	0	0
CE	6	64/512	128/512
Melao	6	128/256		256/512
TVT	6	16/128			64/512

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