Answer: 1 bit minimum. Bit 1 or 0, (1 take it, 0 don’t take…

Answer: 1 bit minimum. Bit 1 or 0, (1 take it, 0 don’t take it.). Better with 2 bits. Does vaccine contain poison? 1 or 0? 1 (true) therefore don’t take it 0.
10 or 01 (2 bits to convey) if poison yes no bit & should I take it bit. So 2 bits final answer