That's a great and very relevant question! It shows you're thinking about the details of public health in our cities. The direct answer is: it's becoming increasingly common, but it's not yet a universal standard.
You'll find that in many forward-thinking cities and specific high-traffic locations, yes, certain public trash bins are now equipped with anti-microbial coatings. These are often special additives or surface treatments integrated into the plastic or metal during manufacturing. The technology works by continuously inhibiting the growth and reproduction of bacteria, mold, and mildew on the bin's surface.
The primary goal is to tackle the "ick factor" and the real health concern at the point of contact—the lid and the handle. By reducing the microbial load there, these coatings help create a more hygienic experience for people disposing of waste and for the sanitation workers who empty them. You're most likely to encounter these enhanced bins in places like airports, hospitals, major transit hubs, upscale shopping districts, and public parks where hygiene is a top priority.
However, it's important to manage expectations. The coating is a preventative layer, not a magic force field. It doesn't eliminate the need for regular, thorough cleaning and emptying of the bins. Its job is to supplement traditional cleaning by reducing germ proliferation in between service cycles.
So, while your average neighborhood corner bin might not have this feature yet, the trend is definitely moving in that direction as part of broader "smart city" and public health initiatives. It's a small but significant step towards a cleaner urban environment.