* A study conducted during an arbovirus outbreak in Costa Rica found that only 39.4% of cases diagnosed as dengue-like were confirmed as DENV or other related viruses through advanced testing methods, illustrating diagnostic challenges.
* Molecular analysis revealed the presence of different genotypes of DENV-2 and ZIKV circulating together, with variations in clinical outcomes, highlighting the need for improved diagnostic tools and healthcare strategies for effective management of arbovirus outbreaks.