Table 3. Impact of sequence polymorphism at position 1858 on the emergence of G1896A mutation.

Genotype	1858	1896 tolerant phase	1896 clearance phase
A, C1, F2, F3	C	G	G
B, D, E, F, H	T	G	A
G	T	A*	A

*Requires coinfection by an HBeAg-expressing genotype.