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深圳经济特区社会养老保险条例_超对折美国人曾污染新冠 儿童污染率达75%

来源:头条报道 发布时间:2022-05-10 浏览次数:

美疾控中心通过检测血液样本中的抗体发现,美国超对折的人已经污染过新冠病毒,此中儿童污染率高达75%。研究人员发现,感生病毒人数在12月至2月期间也便是奥密克戎污染高峰期增加得最快。

Desiree Mohammadi has her hand held by nurse Sandra Lindsay, the first American to receive the vaccine, while she receives the Pfizer-BioNTech COVID-19 vaccine at Cohen Children's Medical Center as vaccines were approved for children aged 5-11, amid the coronavirus disease pandemic, in New Hyde Park, New York, US, November 4, 2021. REUTERS/Andrew Kelly

More than half of Americans show signs of a previous Covid-19 infection, including three out of every four children, according to a new report released on Tuesday.

美国疾病控制和预防中心4月26日发布的一份新陈诉称,超对折美国人默示出曾污染新冠病毒的迹象,此中包含四分之三的美国儿童。

The findings from the Centers for Disease Control and Prevention (CDC) come after researchers examined blood samples from more than 200,000 Americans and looked for virus-fighting antibodies made from infections, not vaccines. They found that signs of past infection rose dramatically between December and February, when the more contagious Omicron variant surged through the US.

研究人员检测了超20万美国人的血样,从中寻找感生病毒而非接种疫苗发生的抗击病毒的抗体。他们发现,曾感生病毒的迹象在12月至2月期间急剧增多,这段时间也是感染性更强的奥密克戎毒株在美国各地残虐的时期。

For Americans of all ages, about 34% had signs of prior infection in December. Just two months later, 58% did.

在所有春秋段的美国人傍边,约有34%在12月默示出曾感生病毒的迹象。仅仅两个月之后,就有58%默示出曾感生病毒的迹象。

"I did expect it to increase. I did not expect it to increase quite this much,” said Dr Kristie Clarke, co-leader of a CDC team that tracks the extent of coronavirus infections.

追踪新冠病毒污染范围的美疾控中心团队的共同负责人克里斯蒂·克拉克博士称:“我预期污染人数会增多。但我没想到会增加这么多。”

In the CDC report, the most striking increase was in children. The percentage of those 17 and under with antibodies rose from about 45% in December to about 75% in February.

在美疾控中心的这份陈诉中,

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,污染人数增加最多的是儿童。17岁以下人群(含17岁)携带(感生病毒发生的)抗体的比例从12月的45%摆布增加到了2月的75%摆布。

The older people were, the less likely they had evidence of past infections. That may be because older adults have higher vaccination rates and they may be more likely to take other Covid-19 precautions, such as wearing masks and avoiding crowds, Clarke said.

春秋越大,

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,浮现曾感生病毒迹象的也许性越低。克拉克说,这也许是因为春秋大的成年人疫苗接种率更高,

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,也更也许采用佩戴口罩和防止凑集等其他新冠预防法子。

Reported cases had a huge surge in December and January, then fell almost as dramatically as they had risen. But daily case counts have been trending up again in recent weeks.

美国陈诉的病例在12月和1月激增,之后又以几乎同样的速度剧减。但是单日新增病例数在最近几周又开始有上升趋势。

The case numbers are believed to be an undercount, but officials do think recent increases reflect a true rise in infections. Many Covid-19 infections are mild enough that patients do not seek care or confirmatory lab tests. CDC officials say they plan to release a study soon that estimates that in recent months there were three infections for every reported case.

实际病例数据信被低估,但是官员认为最近增加的病例数真实反映出污染人数的上升趋势。许多新冠感生病例症状都很轻微,因此患者没有就医或做核酸检测。美疾控中心官员表示,他们谋划在近期发布一项研究成效,据该研究估算,近几个月以来每陈诉1例新增病例,实际新增污染人数为3人。

Another recent trend: US health officials say they have seen two weeks of increases in Covid-19 hospitalizations, though the numbers remain relatively low. Hospital admissions number about 1,600 per day, a 9% increase in the prior week, the CDC reported.

近期还有另一个趋势:美国卫生部官员称,新冠住院人数已经延续两周呈增长趋势,尽管住院人数依然相对较低。美疾控中心陈诉称,目前新增住院人数约为每天1600人,比拟前一周增加了9%。

Available evidence nevertheless offers reason to be hopeful about how the pandemic is going, officials suggested.

不过,美疾控官员指出,就现有的迹象来看,他们有理由对新冠疫情的走向抱有希望。

"We are not anticipating more severe disease from some of these subvariants, but we are actively studying them,” said Dr Rochelle Walensky, CDC director, on Tuesday.

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