immunocompromised 免疫不全

cognizant 認識して

“The F.D.A. is especially cognizant that immunocompromised people are particularly at risk for severe disease,” Dr. Janet Woodcock, the acting F.D.A. commissioner, said in a statement.

Leeway 自由裁量

The Food and Drug Administration on Thursday authorized third doses of Pfizer-BioNTech’s and Moderna’s coronavirus vaccines for some people with weakened immune systems, giving physicians more leeway to protect those who did not respond enough to an initial series of shots.