Table 2.

Characteristics of nine severe cases of human respiratory syncytial virus infection in patients hospitalized in Daishan First People’s Hospital, Zhejiang Province, China from May to June 2023.

Case no.	Class name	Age (Years)	Gender (M/F)	Weigh of birth (Kg)	Weeks of birth	Onset date	Median day from onset to be admitted	Median day from onset to be confirmed	Hospital stays (Day)	Sample type		Rt-PCR or PCR						Diagnosis
											HRSV	Genotype of HRSV	Sars-CoV-2	Influenza	Adenovirus	Rhinovirus	Mycoplasma pneumoniae
1	Nursery class 3	3	M	3	38	6/3	3	3	6	Nasopharyngeal swab	+	B	−	−	−	−	−	Acute bronchitis
2	Nursery class 3	2	F	3.1	39	6/2	3	3	7	Nasopharyngeal swab	+	B	−	−	−	−	−	Acute bronchitis
3	Nursery class 3	3	M	2.5	36	6/3	3	3	7	Nasopharyngeal swab	+	Unknown	−	−	−	−	−	Pneumonia; Allergic rhinitis
4	Nursery class 3	2	F	3.05	38	6/5	0	0	6	Nasopharyngeal swab	+	Unknown	−	−	−	−	−	Acute bronchitis
5	Nursery class 4	1	M	3.85	38	5/28	1	1	6	Nasopharyngeal swab	+	Unknown	−	−	−	−	+	Acute bronchitis
6	Nursery class 4	3	M	3.2	39	6/5	4	4	5	Nasopharyngeal swab	+	Unknown	−	−	−	+	+	Acute bronchitis
7	Nursery class 4	2	F	3.15	38	6/5	3	3	6	Nasopharyngeal swab	+	Unknown	+	−	−	−	+	Acute bronchitis; Acute laryngitis, COVID-19
8	Nursery class 4	2	F	3.35	38	5/23	1	1	9	Nasopharyngeal swab	+	Unknown	−	−	−	−	−	Acute upper respiratory tract infection
9	Nursery class 4	3	M	3.35	38	5/28	2	2	6	Nasopharyngeal swab	+	Unknown	−	−	−	−	+	Acute bronchitis

M, male; F, Female; +means positive; −means negative.

PCR, polymerase chain reaction; RT-PCR, reverse transcription polymerase chain reaction.