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目前,各国均认为幼儿的白喉、破伤风、百日咳(DTP)的疫苗接种为一种理想的预防方法。在非洲,至少有13个国家的DTP复盖率超过70％。在冈比亚,1988年,该复盖率为77％。曾是该国儿童发病率和死亡率的主要原因的百日咳目前发病极少。官方数字表明,在1985年报告有35例,1986年54例,以后2年仅有3例。在冈比亚,虽然这一疾病几乎消失,但它在邻国塞内加尔仍很常见。许多发达国家制定了抵抗百日咳的疫苗接种计划已30多年。然而,这些国家尚未根除这一疾病,但已不太常见。成人及幼小婴儿却常见。从未患过此病,但在儿童时接受过免疫接种的年青
At present, all countries regard the vaccination of young children’s diphtheria, tetanus and pertussis (DTP) as an ideal preventive method. In Africa, at least 13 countries have more than 70% DTP coverage. In the Gambia, in 1988, the coverage rate was 77%. Pertussis, the main cause of the morbidity and mortality of children in the country, is present with minimal morbidity. Official figures show that 35 cases were reported in 1985, 54 cases in 1986 and only 3 cases in the next two years. In the Gambia, although the disease has almost disappeared, it is still common in neighboring Senegal. Many developed countries have developed vaccination programs against whooping cough for more than 30 years. However, these countries have not yet eradicated the disease but are less common. Adults and young babies are common. The child who has never had the disease but who has been immunized in childhood is young