| | | | | | MID Antigen [15] | | MID Antibody [15] |
|---|
| Immune fluids | HI | CF | Antigens | HI | CF |
|---|
|
| | Results expressed as quotient of homologous/heterologous titers. | | Chikungunya | >1280 | >128 | Chikungunya | >2560 | >512 | | Sindbis | 640 | >512 | Sindbis | >2560 | 32 | | Semliki Forest | >1280 | 256 | Semliki Forest | >2560 | 8 | | Ndumu | 640 | 32 | Ndumu | Not done | 32 |
| | In cross-PRNT [4] there was slight (1/10) neutralization of MID virus by Ross River and Ndumu antisera but no reactions either way with western equine enc., Sindbis, Whataroa, Aura, Ven. equine enc., Mucambo, Pixuna, Semliki Forest, Mayaro, chikungunya, Una, o'nyong-nyong, Bebaru, Getah, and east. equine enc. | | Showed no relationship to 21 alphaviruses by neutralization test in micro- cell cultures [5] . | | Placed in WEE serological subgroup as a distantly related member [2] . SIRACA has determined that MID virus is not antigenically closely related to any other group A virus. It has been placed in a separate complex within serogroup A [24] . | | |
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