WHO representatives and delegations from the Visegrad Four (V4) countries gathered in High Tatras, Slovakia, on 20–21 February 2019 for an expert meeting on health with a specific focus on fighting tuberculosis (TB).
The Visegrad platform for intercountry cooperation dates back to a series of summit meetings in 1991. The V4 countries comprise Czechia, Hungary, Poland and Slovakia.

http://www.euro.who.int/en/health-topics/communicable-diseases/tuberculosis/news/news/2019/2/v4-countries-meet-to-strengthen-collaboration-on-fighting-tb