. 2021 Dec 5;108(2):91–98. doi: 10.1111/ejh.13722

TABLE 1.

Seroconversion after the two doses of mRNA vaccine in patients with chronic lymphocytic leukemia

Study	N	% of patients with antibody‐mediated response to the vaccine ^a
Benjamini et al. (2021) ³⁴	473	43%
Herishanu et al. (2021) ³⁵	167	39.5%
Agha et al. (2021) ³⁷	13	23.1%
Roeker et al. (2021) ⁶⁴	44	23%
Tzarfati et al. (2021) ³⁸	34	47%

^{^a}

CONCENTRATION of antibodies judged as the seropositivity may vary between studies.