Bacteriological SwabsBr Med J 1969; 3 doi: https://doi.org/10.1136/bmj.3.5668.450 (Published 23 August 1969) Cite this as: Br Med J 1969;3:450
- D. I. Bartlett,
- M. H. Hughes
Streptococcus pyogenes survives poorly on plain cotton-wool swabs, whereas serum-dipped swabs permit its survival but also allow overgrouth by other bacteria and are likely to contain virus inhibitors. The use of swabs dipped in a solution of 20% bovine albumin (fraction V) and sterilized by steam is therefore recommended, since these permit bacterial survival without growth and are unlikely to contain virus inhibitors.