TABLE 1.

Numbers of Acinetobacter strains isolated at each sampling time and site

Sample source	Sampling time	No. of Acinetobacter strains
		Total	Site A	Site B	Site C
Pharmaceutical plant	1	43	13	13	17
Pharmaceutical plant	2	30	13	17	—a
Pharmaceutical plant	3	70	26	20	24
Pharmaceutical plant	4	62	24	22	16
Hospital	1	27	11	16	—
Hospital	2	33	12	12	9
Hospital	3	63	15	23	25
Hospital	4	57	—	27	30

^a—, sample not collected due to technical problems.