Viral and bacterial upper respiratory tract infection in hospital health care workers over time and association with symptoms

Table 2 Laboratory results (n = 223)

	Number at the baseline^a	%	Number at the end of study^a	%
Bacteria isolated
Streptococcus pneumoniae	98	43.9	38	17
Haemophilus influenzae	7	3.1	36	16.1
Streptococcus pneumoniae and Haemophilus influenzae	65	29.1	53	23.8
All bacteria ^c	170	76.2	127 ^b	57
Only bacteria (no co-infection)	128	57.4	98	43.9
Virus isolated
Rhinovirus/Enterovirus	24	10.8	10	4.5
Influenza A (H3N2)	6	2.7	5	2.2
Rhinovirus/Enterovirus/Influenza A (H3N2)	1	0.4	0	0
Other^d	4	1.8	5	2.2
All virus ^c	35	15.7	20	9.0
Only virus (no co-infection)	3	1.3	2	0.9
Co-infection	29	13.0	11	4.9

^a101 cases were positive at both baseline and end of the study
^bIncluding 26 new positive samples which were negative at baseline
^cOne participant was not sampled at end of the study. Among 35 cases at baseline - 14 were from respiratory ward, 6 from paediatric ward, 8 from fever clinics and 7 from emergency ward. Among 20 cases at the end of the study - 7 were from respiratory ward, 8 from paediatric ward, 1 from fever clinics and 4 from emergency ward
^dAt baseline other includes ADV [1], CoV229E [1], CoVC229E [1], Metapneumovirus [1] and at the end of the study other includes ADV [2], CoV229E [1], CoVC229E [1], Metapneumovirus [1]

ISSN: 1471-2334