Table 4. Detection of Mf in the macaques challenged with B. malayi L3.
| Macaque groups | Animal ID | Presence of Mf | |
| Knott test | PCR test | ||
| Control (Immunized with only alum) | 4995 | + | − |
| 5240 | − | − | |
| 5249 | + | + | |
| 5252 | − | − | |
| 5253 | + | − | |
| rBmHAT (Immunized with rBmHAT mixed with alum) | 4996 | + | + |
| 5242 | − | − | |
| 5254 | + | − | |
| 5258 | − | − | |
| 5259 | − | − | |
The appearance of Mf in the peripheral blood of macaques during weeks 11–20 post challenge was detected by Knott and PCR techniques. 3 macaques in control group and 2 macaques in the immunized group were found to be microfilaremic.