Table 3. Antigenic analysis of representative A(H5N1) isolates from Cameroon.
| Reference antiserum | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| A/common magpie/Hong Kong/5052/2007 | A/Hong Kong/6841/2010 | A/Hubei/1/2010 | A/duck/Bangladesh/19097/2013 | A/barm swallow/HK/1161/2010 | |||||||||||||||||
| RBC | c | t | ho | hu | c | t | ho | hu | c | t | ho | hu | c | T | ho | hu | c | t | ho | hu | |
| Reference virus/antigen | Clade | ||||||||||||||||||||
| A/common magpie/Hong Kong/5052/2007 | 2.3.2.1 | 320 | 320 | 2560 | 1280 | 320 | 320 | 2560 | 1280 | 20 | 20 | 320 | 80 | 80 | 160 | 1280 | 320 | 40 | 40 | 0 | 160 |
| A/Hong Kong/6841/2010 | 2.3.2.1 | 80 | 40 | N/A | 320 | 320 | 160 | N/A | 1280 | 20 | 20 | N/A | 80 | 320 | 160 | N/A | 640 | 20 | 20 | N/A | 80 |
| A/Hubei/1/2010 | 2.3.2.1a | 320 | 320 | 1280 | 160 | 640 | 640 | 2560 | 640 | 320 | 320 | 1280 | 320 | 640 | 1280 | 2560 | 640 | 40 | 80 | 0 | 160 |
| A/duck/Bangladesh/19097/2013 | 2.3.2.1a | 160 | 160 | 1280 | 320 | 320 | 640 | 2560 | 1280 | 20 | 40 | 320 | 80 | 320 | 640 | 2560 | 1280 | 20 | 40 | 10 | 80 |
| A/barm swallow/HK/1161/2010 | 2.3.2.1b | 80 | 80 | 640 | 320 | 160 | 320 | 1280 | 1280 | 10 | 20 | 160 | 80 | 80 | 160 | 1280 | 640 | 40 | 40 | 0 | 320 |
| A/duck/VN/NCVD-1584/2012 | 2.3.2.1c | 160 | 160 | N/A | 640 | 640 | 640 | N/A | 2560 | 40 | 40 | N/A | 160 | 640 | 640 | N/A | 1280 | 40 | 80 | N/A | 160 |
| A/duck Cambodia/33W2M3/2013 | 1.1 | 10 | 0 | 80 | 20 | 160 | 80 | 320 | 320 | 20 | 10 | 80 | 80 | 10 | 0 | 40 | 20 | 0 | 0 | 0 | 10 |
| A/envir/Cambodia/z2EP1e3W7M1/2015 | 2.3.2.1c | 160 | 0 | 2560 | 10 | 320 | 0 | 2560 | 10 | 20 | 0 | 320 | 40 | 40 | 10 | 640 | 20 | 20 | 0 | 0 | 20 |
| A/chicken/Cameroon/16V-04338/2015 | 2.3.2.1c | 10 | 20 | 320 | 80 | 40 | 80 | 640 | 320 | 0 | 0 | 80 | 20 | 20 | 40 | 160 | 40 | 0 | 0 | 0 | 20 |
| A/chicken/Cameroon/16V-3771/2015 | 2.3.2.1c | 40 | 40 | 640 | 160 | 160 | 160 | 1280 | 640 | 10 | 0 | 160 | 20 | 40 | 80 | 640 | 160 | 10 | 0 | 0 | 20 |
| A/duck/VN/NCVD-1584/2012 | A/duck/VN/NCVD-2848/2013 | A/duck Cambodia/33W2M3/2013 | A/chicken/Guiyang/1153/2016 | A/chicken/Ghana/7/2015 | |||||||||||||||||
| RBC | c | t | ho | hu | c | t | ho | hu | c | t | ho | hu | c | t | ho | hu | c | t | ho | hu | |
| Reference virus/antigen | Clade | ||||||||||||||||||||
| A/common magpie/Hong Kong/5052/2007 | 2.3.2.1 | 80 | 80 | 1280 | 320 | 80 | 160 | 0 | 320 | 0 | 20 | 0 | 20 | 0 | 0 | 160 | 10 | 80 | 80 | 1280 | 320 |
| A/Hong Kong/6841/2010 | 2.3.2.1 | 320 | 160 | N/A | 1280 | 80 | 80 | N/A | 640 | 0 | 0 | N/A | 40 | 0 | 0 | N/A | 20 | 80 | 40 | N/A | 640 |
| A/Hubei/1/2010 | 2.3.2.1a | 160 | 320 | 2560 | 320 | 80 | 160 | 0 | 640 | 40 | 40 | 0 | 80 | 0 | 10 | 80 | 20 | 80 | 160 | 1280 | 320 |
| A/duck/Bangladesh/19097/2013 | 2.3.2.1a | 160 | 640 | 2560 | 1280 | 80 | 160 | 10 | 320 | 0 | 10 | 10 | 20 | 0 | 10 | 10 | 10 | 40 | 80 | 1280 | 320 |
| A/barm swallow/HK/1161/2010 | 2.3.2.1b | 80 | 80 | 1280 | 640 | 40 | 80 | 0 | 320 | 0 | 10 | 0 | 20 | 0 | 10 | 0 | 10 | 40 | 40 | 320 | 160 |
| A/duck/VN/NCVD-1584/2012 | 2.3.2.1c | 640 | 640 | N/A | 2560 | 160 | 160 | N/A | 1280 | 10 | 10 | N/A | 40 | 10 | 0 | N/A | 20 | 160 | 160 | N/A | 640 |
| A/duck Cambodia/33W2M3/2013 | 1.1 | 20 | 0 | 80 | 40 | 10 | 0 | 0 | 20 | 640 | 160 | 0 | 1280 | 0 | 0 | 0 | 20 | 80 | 40 | 320 | 160 |
| A/envir/Cambodia/z2EP1e3W7M1/2015 | 2.3.2.1c | 80 | 10 | 640 | 20 | 80 | 80 | 0 | 320 | 0 | 0 | 0 | 20 | 0 | 0 | 160 | 10 | 40 | 0 | 1280 | 10 |
| A/chicken/Cameroon/16V-04338/2015 | 2.3.2.1c | 20 | 20 | 320 | 80 | 10 | 10 | 0 | 40 | 10 | 10 | 0 | 40 | 0 | 0 | 80 | 0 | 80 | 160 | 1280 | 320 |
| A/chicken/Cameroon/16V-3771/2015 | 2.3.2.1c | 40 | 80 | 640 | 160 | 10 | 20 | 0 | 80 | 10 | 20 | 0 | 40 | 0 | 0 | 160 | 10 | 160 | 320 | 2560 | 640 |
Note: RBC: red blood cells; c: chicken; t: turkey; ho: horse; hu: human; N/A: not available.