Reporting Delays

Note

This page is under development.

What it is

Why it happens

  • Lab confirmation requirements
  • Electronic vs manual reporting differences
  • Weekend and holiday effects (fewer reports filed on weekends, lab closures)
  • Holiday periods (extended closures affect both reporting and care-seeking)
  • Delays may shorten as reporting improves or lengthen when systems are under strain

How it affects analysis

  • High variability in count data can make delay patterns harder to estimate
  • Seasonal patterns in disease incidence interact with delay patterns
  • Day-of-week effects appear in both disease incidence and reporting

How to identify it