Recent testing indicates that Flint drinking water quality is improving, with decreasing levels of DNA markers for Legionella. However, pathogenic forms of the bacteria were still culturable at some sampling points, highlighting the need for continued vigilance.
A new multi-type queuing network analysis method can effectively allocate server resources in outpatient departments, reducing delays and improving patient treatment. The model considers different types of patients visiting service nodes in varying orders, providing a more accurate representation of real-world scenarios.
A recent study found that 72% of children have S. mutans strains not found in family members, suggesting external transmission from other children or population sources. Children can share strains with siblings or cousins, highlighting another dimension to inter-familial transmission.