Generate a sentence using the given word and context.
Word: significant 
Context: The number of new Covid cases has been increasing
The significant increase in the number of new Covid cases is a cause for concern.
Complete the following task based on the instruction and optional input provided.### Instruction:
Generate a sentence using the given word and context.

### Input:
Word: significant 
Context: The number of new Covid cases has been increasing

### Output:
The significant increase in the number of new Covid cases is a cause for concern.