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最近证明百日咳菌体成分中的血凝素(HA)具有防御感染的作用,而且百日咳HA菌苗的全身反应和局部反应都较轻。作者用单向辐射状溶血(S RH)法测定抗纤
Hemagglutinin (HA) in pertussis bacteriophage components has recently been shown to have an anti-infective effect, and the pertussis HA vaccine has less systemic and local reactions. The authors used one-way radial haemolysis (S RH) method to measure anti-fiber