Viral etiology of mumps-like illnesses in suspected mumps cases reported in Catalonia, Spain

Figures & data

Table 1. Patient characteristics of sporadic suspected cases of parotitis according to viral screening of salivary samples. Barcelona-South Health Region, 2007-2011

	All patients (n = 101)	Virus detected (n = 52)	No virus detected (n = 49)	P
Median Age (Range)	6 y (8 mo-50 y)	5.5 y (8 mo-38 y)	6 y (1–50 y)	0.3
Male sex, No. (%)	65 (64.4%)	32 (61.5%)	33 (67.3%)	0.7
Unilateral mumps or other salivary gland, No. (%)	88 (87%)	43 (82.7%)	45 (91.8%)	0.2
Fever, No. (%)	34 (33.7%)	21 (40.4%)	13 (26.5%)	0.2
Prodromal Symptoms, No. (%)	0 (0%)	0 (0%)	0 (0%)	__
Complications, No. (%)	0 (0%)	0 (0%)	0 (0%)	__
Vaccination 0 MMR Doses, No. (%) 1 MMR Dose, No (%) 2 MMR Doses, No (%) Unknown MMR Doses, No (%)	10 (9.9%) 24 (23.7%) 65 (64.4%) 2 (1.9%)	4 (7.7%) 15 (28.8%) 31 (59.7%) 2 (3.8%)	6 (12.2%) 9 (18.4%) 34 (69.4%) 0 (0)	0.1

Figure 1. Distribution of viruses detected in samples with a negative result for mumps. Barcelona-South Health Region, 2007–2011.

Figure 2. Distribution of viruses detected according to month of onset. Barcelona-South Health Region, 2007–2011.

Table 2. Characteristics of suspected sporadic cases of parotitis according to the virus detected. Barcelona-South Health Region, 2007-2011

Virus detected	n	Median age (range)	Male sex, No. (%)	Unilateral mumps or other salivary gland, No. (%)	Fever, No. (%)	Seasonal presentation
EBV	25	6 y (1–38 y)	18 (72%)	19 (76%)	10 (40%)	No
PIV3	8	4.5 y (8 mo-13 y)	3 (37.5%)	8 (100%)	3 (37.5%)	Yes Spring (4) Summer (4)
PIV2	4	9 y (5–10 y)	3 (75%)	4 (100%)	1 (25%)	Yes Autumn
AdV	4	6.5 y (3–12 y)	2 (50%)	3 (75%)	2 (50%)	Yes Spring (2) Summer (2)
PIV1	1	5 y	1 (100%)	1 (100%)	0 (0%)	Yes Autumn
InVA	1	6 y	1 (100%)	1 (100%)	1 (100%)	Yes Winter
EV	1	3 y	0 (0%)	0 (0%)	0 (0%)	Yes Summer

Table 3. Distribution of suspected cases of parotitis according to the timing of collection of salivary samples and MMR vaccination status. Barcelona-South Health Region, 2007- 2011

	2 MMR doses (n = 65)		1 MMR dose (n = 24)		Unvaccinated MMR (n = 10)		Total
Timing of salivary sample collection	Virus detected	No virus detected	Virus detected	No virus detected	Virus detected	No virus detected
First day	17	21	7	3	3	2	53
Second day	7	6	4	2	1	1	21
Third day	7	5	2	2	0	0	16
Fourth or more days	0	2	2	2	0	3	9*

* In 2 additional cases the vaccination status was unknown. Both cases were negative for the viruses tested.