There are four individuals in the image. They are dressed in medical attire, including white lab coats and masks. The person on the left is wearing a blue cap and a white lab coat, while the person next to them is also wearing a white cap and a green lab coat. The person in the middle is wearing a green lab coat and a white cap, and the person on the right is wearing a white cap and a green lab coat. All of them appear to be engaged in a medical or clinical setting.