给定一组文本和一个关键词，返回包含该关键词的所有文本段落，以及关键词在文本中出现的次数。

文本1：Wearing a mask can reduce the spread of COVID-19. 
文本2：It's important to wash your hands regularly to prevent the spread of germs. 
文本3：Staying home when you're sick can help stop the spread of illness.
关键词：spread
包含关键词 "spread" 的文本段落和出现次数：

文本1：Wearing a mask can reduce the spread of COVID-19. （1次）

文本2：It's important to wash your hands regularly to prevent the spread of germs. （1次）

文本3：Staying home when you're sick can help stop the spread of illness. （1次）