There's something written on the back:

Progenitor virus administered (Nov. 10, 1967)

Jessica

Administered virus: Type-A
Plasmolyzing of tissue during cell activation.
Virus fusion: Negative
Action: Disposed of.

Lisa

Adminstered virus: Type-B
Plasmolyzing of tissue during cell activation.
Virus fusion: Positive but delayed fusion.
Body modification: Observed constant results.
Status: Continue protective observation.

George

Action: Terminated (Nov. 30, 1967).