1683-9803 1683-9803 S1683-98032025000300143 10.31698/ped.52032025001b Paraguay 00 12 2025 00 12 2025 52 3 143 145 1 2025 13 9 9 893 2 2020 3 UK Health Security Agency 2025 4 2025 6 1 1 101040 5 WHO 2024