Note: A 'mop-up' refers to a rapid and massive, house-to-house immunizationresponse within four weeks of confirmation of a circulating poliovirus.
说明：“扫荡”系指在确认正在传播的脊髓灰质炎病毒后4周内迅速和大规模挨家挨户免疫应对。
2
Health officials say that progress made since the first responseto the outbreak in Africa - massive co-ordinated immunization campaigns in October and November 2004 - has been positive but fragile.
Aim: to explore the role of subtractive immunization techniques in analysis of some transiently expressed antigens of hepatoma apoptotic cells during apoptotic response.