Fig. 4From: Invasive meningococcal disease in England: assessing disease burden through linkage of multiple national data sourcesSeasonality (a), duration of hospital admission in days (b) and time from hospital admission to death in days (c) for clinically diagnosed HESonly cases without laboratory confirmation, HES cases with a negative MRU PCR-test (HES+/MRU-) and hospitalised, laboratory-confirmed IMD (MRU+/HESA39+) casesBack to article page