👉 Microseris is a type of bacteria that can cause infections in humans, especially in infants and children. It has been identified in many parts of the world where it has been found, including Africa, Asia, and South America. This bacterium is typically responsible for respiratory infections such as pneumonia and bronchitis, which are common in children. It can also cause other types of infections such as urinary tract infections, skin infections, and gastrointestinal infections.