The GGD advises emergency services to prepare for clusters of severe agitation, hyperthermia, and seizures. A public warning is being prepared for nightlife areas in Amsterdam, Rotterdam, and Utrecht.
Recent reports from the GGD (Municipal Health Service) in several large Dutch cities indicate a worrying new trend in the hard drugs market: what users call “Cali crack.” Unlike traditional crack cocaine, which is typically sold in small vials or wraps, this variant is appearing in “oversized” quantities — single rocks weighing several grams, sold at a premium under the implication of higher purity associated with Colombia’s Cali region. ggd cali oversized crack
It sounds like you're referencing a few different things: (a Dutch public health institute), Cali (likely the region or a strain of cannabis), oversized (possibly clothing or product sizing), and crack (the drug or a slang for a problem/glitch). The GGD advises emergency services to prepare for