Table 2.

List of observed escape mutations in N

VHH	Clone	Mutation	Amino acid change
1001	1	A771C	E257D
	2	C778A	Q260K
	3	A779G	Q260R
	4	A728G	E243G
1004	1,2,3	G223A	G75R
1307	1,2,3	G1120A	D374N