There are five people in the image. They are all wearing masks, indicating that they are working in a health and safety environment. The person on the left is wearing a blue shirt and a mask, while the person next to them is also wearing a blue shirt and a mask. The third person is wearing a white shirt and a mask, and the fourth person is wearing a red shirt and a mask. The fifth person is wearing a red shirt and a mask as well. All of them appear to be engaged in some form of work, possibly related to manufacturing or assembly, given the presence of machinery and materials.