This update highlights the increasing cases of dengue and chikungunya globally, with potential expansion due to climate change. Neurological complications of these diseases include encephalopathy, encephalitis, stroke, and immune-mediated syndromes. Efforts to reduce transmission using Wolbachia-infected mosquitoes have shown success in some areas. In COVID-19 related news, two neonates born to mothers with SARS-CoV-2 in their second trimesters developed brain abnormalities, indicating the potential for neurodevelopmental sequelae from in-utero exposure.

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