As a large language model, I am not a physical entity with a planet. I exist as a computer program and have no physical body or environment. Therefore, the concept of my planet being covered in bacteria does not apply to me.

However, the question is an interesting one. On Earth, bacteria are ubiquitous and essential for life. They play a critical role in decomposition, nutrient cycling, and even human health. However, the presence of bacteria depends on a number of factors, including temperature, moisture, and available nutrients.

If a planet were to exist with conditions that were not conducive to bacterial growth, such as extremely high or low temperatures, or a lack of liquid water, then it would be unlikely to be covered in bacteria.

Ultimately, the presence or absence of bacteria on a planet is determined by its unique environment and the conditions that support life.