少年四大名捕
People with HIV at higher risk of COVID reinfection: CDC_我的网站
A | People with HIV are at increased risk of being reinfected with the virus that causes COVID-19, according to new federal data.Researchers from the Centers for Disease Control and Prevention and the Chicago Department of Public Health followed adult residents in Chicago from their first reported infection from March 2020 through the end of May 2022, according to the report published Wednesday by the CDC.The team compared COVID test laboratory data and COVID vaccine administration data to Chicago's Enhanced HIV/AIDS Reporting System.About 5% experienced reinfection among more than 453,000 Chicago residents who tested positive for the virus.Rates of reinfection were higher among people with HIV (6.7%) than among people without HIV (5.2%).People with HIV are more likely to have completed a primary COVID vaccine series plus a booster before their reinfection -- 31.8% versus 27% for those without HIV.Reinfection rates were consistently higher throughout the pandemic for people with HIV and were highest during the original omicron variant phase, according to the report."Understanding if persons with HIV have a higher risk for SARS-CoV-2 reinfection may help tailor future COVID-19 public health guidance," the authors wrote. "[Persons with HIV] should follow the recommended COVID-19 vaccine schedule, including booster doses, to avoid SARS-CoV-2 reinfections."Those who were reinfected were more likely to be male, older and Black or African American compared to those without HIV, the study found.People with HIV were also less likely to have been unvaccinated at the time of their first infection compared to people without HIV.The report notes the findings are a reminder about the risks of reinfection for those who are immunocompromised.HIV can weaken the immune system, infecting and destroying CD4 cells, which causes the white blood cell count to drop and compromises the immune system.This means that people with HIV are susceptible to COVID infection especially those who are not on antiretroviral therapy (ART).ART is a combination of drugs that suppresses a person's viral load until HIV Is virtually undetectable. The ability of ART to control viral replication has been shown to greatly improve immune system function, studies show."Evaluating the association between HIV infection and SARS-CoV-2 reinfections using surveillance data can help strengthen public health recommendations including the need for extra doses as part of a primary series, booster doses of vaccine, and optimized ART in [persons with HIV]," the authors wrote. "Tailored guidance and prevention messaging for [persons with HIV] can help reduce the elevated risk we identified in this analysis and limit continued SARS-CoV-2 transmission."。 石家庄8月21日电 题：“中国雪花梨之乡”打出梨果产销提质“组合拳” 作者 张会杰 时至8月下旬，河北省石家庄市赵县的雪花梨即将迎来大面积成熟采收期。
B | 赵县被誉为“中国雪花梨之乡”，近年以来，当地政府携手梨农、农业合作社聚焦梨果种植和销售关键环节打出“组合拳”，不断促进产业提质增效。8月21日，河北省石家庄市赵县的一处梨园内，梨果挂满枝头，丰收在望。 张会杰 摄 “第一紧要提升梨的品质。”谈及种梨，赵县谢庄镇一家梨果种植专业合作社负责人张慧玲开门见山。 2016年初，头顶大学生光环的她放弃北京工作，选择留在家乡种梨。十年磨一剑，张慧玲这些年的心血，全部倾注在梨果品质的打磨上。 张慧玲牵手百余农户成立合作社，摒弃化学肥料、农药、生长调节剂以及各种残害土壤的添加物，采用自然农耕法种梨，不仅留草养地，还巧用玉米芯、废弃梨果皮发酵制成酵素有机肥替代化肥，持续改良土壤土质“蓄力”。 “地有劲了，结出的梨果又大又甜。”张慧玲介绍说，遵循大自然法则种梨，采用物理方式防治虫害，坚持不早采，梨的品质提升了，产量也上去了，一亩地收入高的能达到两万元，精品果单个能卖到10元以上。
C | 张慧玲的故事是当地梨果产业从粗放式走向精细化的生动注脚。目睹张慧玲种梨方式有“钱途”，加上当地政府部门因势利导，梨农们纷纷摒弃大水大肥“求量不求质”的粗放模式，种植全过程用足“绣花功夫”。 赵县农业农村局副局长何占强介绍说，近年来，当地积极推行梨果绿色标准化生产，大力推广有机肥替代化肥、生物物理防控等绿色生态管护技术，梨果品质实现质的飞跃，优质果率达90%以上。8月9日，河北省石家庄市赵县梨树研究所内的梨雕塑。 张会杰 摄 “酒香也怕巷子深”，梨农们种出高品质梨，为打开产品销路，需要主动搭上互联网的快车。 在赵县，玩转短视频、直播的“农创客”“新农人”越来越多。他们将直播间搬进田间地头，从“等客来”变成“云端卖”。 今年4月，25岁的武天硕加入“网上卖梨”的队伍。此前在大城市格子间敲代码的他，如今走在家乡的梨园，把手机变成“新农具”，拍视频、做直播，借助互联网将梨果变成了致富果。 当地政府部门也在助力赋能。8月初，共青团赵县县委联合梨果主产区的谢庄镇、范庄镇开展短视频拍摄剪辑技能培训，邀请专业人员介绍平台规则，手把手传授实用拍摄技巧，帮助梨农们掌握网络推广销售本领。 据了解，目前赵县梨果产业年产值40亿元，全县从事梨果种植、加工、销售及配套上下游产业从业人员达14万人。 “14万老乡吃这碗饭，产业提质增效至关重要。”何占强说，下一步，赵县将持续深耕绿色标准化种植，不断拓宽销售渠道，积极完善优化全产业链条，全力推动产业高质量发展。
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