Campylobacteriosis is a very common gastrointestinal disease in the EU/EEA. In 2016, 29 EU/EEA countries reported 248 752 confirmed cases of campylobacteriosis.
Cases of salmonellosis and campylobacteriosis have remained stable over the past five years, although listeriosis is on the rise. In 2017, there was an average of 100 food- and waterborne outbreaks per week.
The current generic protocol proposes a uniform approach for active invasive pneumococcal disease (IPD) surveillance in children and enhanced surveillance in other age groups.
The seroincidence calculator utilises the combination of serum antibody levels (lgG, lgM, and lgA) at a given point in time to estimate the time since seroconversion, which in turn gives an estimate of annual 'force of infection' in the tested population.