Table 1.

Number of chikungunya virus-positive samples sequenced during the genomic surveillance in Brazil, 2021–2022, by geographical origin

Region and State		# Samples (total n = 425)
Northeast		(n = 361)
Alagoas (AL)		3 (0.71%)
Bahia (BA)		102 (24.00%)
Maranhão (MA)		38 (8.94%)
Paraíba (PB)		23 (5.41%)
Pernambuco (PE)		16 (3.77%)
Piauí (PI)		90 (21.18%)
Rio Grande do Norte (RN)		45 (10.59%)
Sergipe (SE)		44 (10.35%)
Midwest		(n = 42)
Goiás (GO)		40 (9.41%)
Mato Grosso do Sul (MS)		2 (0.47%)
Southeast
Minas Gerais (MG)		8 (1.88%)
South
Paraná (PR)		14 (3.29%)