In 2019, World Youth Day (WYD) will take place between 22 and 27 January 2019 in Panama City, Panama with an expected half a million participants. During mass gathering events, the most common health risks are related to vaccine-preventable diseases, gastrointestinal illnesses and vector-borne diseases in favourable climate conditions.

Fourteen cases of Shigella sonnei have been reported among participants of a Rainbow Gathering in the south-east of Poland.

ECDC is watching for any infectious disease health events that could present a public health threat and as of Friday 20 July, a summary of relevant health events will be included in the weekly Communicable Disease Threat Report (CDTR), published on this website.

ECDC is enhancing its surveillance activities this summer, watching for any infectious disease health events that could present a public health threat during the UEFA EURO 2012 football championship and London 2012 Olympic and Paralympic Games.