What will be the change in food business with respect to food safety after Covid 19

robotics and automation to some extent.

Yes, agreed!
Food safety will call for additional strict measures to be followed.

Development of more effective communication startegy for sustaining improve food safety requirements

The most concern will be the doubt raised on consumers mind whether the food product was contaminated or not. It will create a serious problem. Food industry should address this problem by claiming that their products were prepared, packed and distributed according to food safety norms and cross checked at multiple points. This may reduce the doubt but it will take time to regain the trust.

With more and more of grab food and other retailers sending out food to customers, is there a possibility of more stringent measures required during times like this (covid).
Are there methods that can be adopted like some labeling procedures. Or what kind of measures can be stated on the label to gain customer confidence. More details might come through..