Table 1.

Basic information of the studies included

References	Study period	Location in China	Age (years or months)	No. of strains	Specimen sources
[17]	2006–2008	Multi-lefta	≤ 14 years	171	Blood, CSFd, PLe, arthroedema
[20]	2000.01–2014.08	Shenyang, Liaoning	≤ 14 years	256	Blood, CSF, PL, ascites, arthroedema
[21]	2007.01–2010.12	Nanjing, Jiangsu	NRc	48	Blood, CSF, PL, fester, ascites
[22]	2010.02–2013.08	Shenzhen, Guangdong	≤ 14 years	76	Blood, CSF, PL, fester
[23]	2009.01–2013.12	Nanjing, Jiangsu	NR	51	Blood, CSF, PL, arthroedema, hydropericardium
[24]	2011.10–2014.05	Wenling, Zhejiang	0–107 months	67	Blood, CSF, PL, ascites
[25]	2012.04–2017.03	Beijing	≤ 14 years	111	Blood, CSF, PL, fester, subdural effusion, bone marrow
[26]	2009.01–2012.08	Shenzhen	≤ 14 years	87	Blood, CSF, PL, fester, ascites, arthroedema, broncho-alveolar lavage
[27]	2005.01–2006.12	Multi-leftb	< 5 years	31	Blood, CSF, PL
[28]	2013.01–2016.04	Beijing	≤ 14 years	30	Blood, CSF, PL, fester, ascites, bone marrow
[29]	2008.01–2017.12	Shanghai; Lanzhou, Gansu	< 14 years	123	Blood, CSF, PL
[30]	2008.06–2014.03	Chengdu, Sichuan	NR	14	CSF
[31]	2010.10–2014.10	Chongqing	3 months–14 years	102	Blood, CSF, PL, subdural effusion
[32]	2007.04–2011.06	Shenzhen, Guangdong	NR	63	Blood
[33]	2005.01–2011.12	Shanghai	NR	62	Blood, CSF, PL, ascites
[34]	2004.01–2011.03	Suzhou, Jiangsu	2 months–12 years	38	Blood, CSF, PL

^aThis multi-left study involved 11 cities in 10 provinces: Beijing; Tianjin; Shenyang, Liaoning; Shanghai; Nanjing, Jiangsu; Suzhou, Jiangsu; Wenzhou, Zhejiang; Hefei, Anhui; Shenzhen, Guangdong; Xinjiang; Chongqing

^bThis multi-left study involved 8 cities in 8 provinces: Beijing; Shanghai; Shenzhen, Guangdong; Chengdu, Sichuan; Nanjing, Jiangsu; Wuhan, Hubei; Shenyang, Liaoning; Hangzhou, Zhejiang

^cNR, pediatric patients, but the accurate age information was not reported

^dCSF, cerebrospinal fluid

^ePL, pleural fluid