码头镇位于涿州市东北侧，北与北京市房山区琉璃河镇接壤。北拒马河自西南入境，向东蜿蜒流经境内南部边缘。琉璃河、小清河自境内北部、东北部入境，三条河流于镇域东南角交汇，流向东南 。

qianfuqi5-21tian，duowei6-13tian。houdoubingduganranhouzhuyaobiaoxianweixianxingjibing，yecunzaiwuzhengzhuangganranzhe。qianquzhengzhuangyue1-5tian，fabingzaoqikechuxianfare、toutong、beitong、jitonghelinbajiezhongdadengqianquzhengzhuang。潜(qian)伏(fu)期(qi)5(5)-(-)2(2)1(1)天(tian)，(，)多(duo)为(wei)6(6)-(-)1(1)3(3)天(tian)。(。)猴(hou)痘(dou)病(bing)毒(du)感(gan)染(ran)后(hou)主(zhu)要(yao)表(biao)现(xian)为(wei)显(xian)性(xing)疾(ji)病(bing)，(，)也(ye)存(cun)在(zai)无(wu)症(zheng)状(zhuang)感(gan)染(ran)者(zhe)。(。)前(qian)驱(qu)症(zheng)状(zhuang)约(yue)1(1)-(-)5(5)天(tian)，(，)发(fa)病(bing)早(zao)期(qi)可(ke)出(chu)现(xian)发(fa)热(re)、(、)头(tou)痛(tong)、(、)背(bei)痛(tong)、(、)肌(ji)痛(tong)和(he)淋(lin)巴(ba)结(jie)肿(zhong)大(da)等(deng)前(qian)驱(qu)症(zheng)状(zhuang)。(。)