Create a relevant and factual hashtag associated with the input sentence using the hashtag syntax.
Vaccines are key to stopping the spread of COVID-19.
#VaccinesSaveLives
Complete the following task based on the instruction and optional input provided.### Instruction:
Create a relevant and factual hashtag associated with the input sentence using the hashtag syntax.

### Input:
Vaccines are key to stopping the spread of COVID-19.

### Output:
#VaccinesSaveLives