自我防護(hù)措施對(duì)瘧疾傳播動(dòng)力學(xué)的影響
發(fā)布時(shí)間:2018-09-12 18:36
【摘要】:建立了一類具自我防護(hù)措施的瘧疾模型,并探討了人群的自我防護(hù)因素對(duì)瘧疾傳播的影響.模型構(gòu)建中采用蚊帳使用率來(lái)反映對(duì)瘧疾防護(hù)能力的大小,并結(jié)合基本再生數(shù)R_0,利用迭代法分析瘧疾病毒的傳播動(dòng)力學(xué)特征.結(jié)果表明,在蚊帳使用率p滿足一定條件的前提下,當(dāng)R_01時(shí),無(wú)病平衡點(diǎn)全局漸近穩(wěn)定;當(dāng)R_01時(shí),地方病平衡點(diǎn)全局漸近穩(wěn)定.
[Abstract]:A malaria model with self-protective measures was established and the effect of self-protective factors on malaria transmission was discussed. In the model construction, mosquito net utilization rate was used to reflect the magnitude of malaria protection ability, and combined with the number of basic regeneration R _ 0, the dynamic characteristics of malaria virus transmission were analyzed by iterative method. The results show that the disease-free equilibrium is globally asymptotically stable under the condition that the net utilization p satisfies certain conditions, and the endemic equilibrium point is globally asymptotically stable when R _ (01) is satisfied.
【作者單位】: 揚(yáng)州大學(xué)數(shù)學(xué)科學(xué)學(xué)院;安徽師范大學(xué)數(shù)學(xué)計(jì)算機(jī)科學(xué)學(xué)院;
【基金】:國(guó)家自然科學(xué)基金資助項(xiàng)目(NSFC11371311) 江蘇省普通高校研究生科研創(chuàng)新資助項(xiàng)目(KYZZ16_0489)
【分類號(hào)】:O175
本文編號(hào):2239889
[Abstract]:A malaria model with self-protective measures was established and the effect of self-protective factors on malaria transmission was discussed. In the model construction, mosquito net utilization rate was used to reflect the magnitude of malaria protection ability, and combined with the number of basic regeneration R _ 0, the dynamic characteristics of malaria virus transmission were analyzed by iterative method. The results show that the disease-free equilibrium is globally asymptotically stable under the condition that the net utilization p satisfies certain conditions, and the endemic equilibrium point is globally asymptotically stable when R _ (01) is satisfied.
【作者單位】: 揚(yáng)州大學(xué)數(shù)學(xué)科學(xué)學(xué)院;安徽師范大學(xué)數(shù)學(xué)計(jì)算機(jī)科學(xué)學(xué)院;
【基金】:國(guó)家自然科學(xué)基金資助項(xiàng)目(NSFC11371311) 江蘇省普通高校研究生科研創(chuàng)新資助項(xiàng)目(KYZZ16_0489)
【分類號(hào)】:O175
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