highly infective การใช้

The World Health Organization also recommends single-use surgical instruments and the destruction of reusable instruments that come in contact with highly infective tissue.
In Britain, brain and spinal cords from cows with bovine spongiform encephalopathy-- known as " mad cow " disease-- " have been highly infective,"
An independent team at Oxford University calculated in September that 446, 000 BSE-infected cattle were used for human food before the highly infective materials were banned from food at the end of 1989.
In an editorial, Dr . J . Gerald Collee, of the University of Edinburgh, said that experts suspect that a teaspoonful of highly infective cattle feed is enough to cause mad-cow disease.