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작성일 2020-05-08 05:45
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China takes step toward space station with new rocket launch
新型コロナ 国内初の治療薬レムデシビル 重症患者に限定投与

China launches new rocket into space 00:47
(CNN)China's latest large carrier rocket made its first successful flight Tuesday, an important step in the nation's plan to build a space station, according to state-run news agency Xinhua.

The Long March-5B rocket blasted off from the Wenchang Space Launch Center in south China's Hainan province, sending an unmanned prototype spacecraft and a cargo return capsule successfully into orbit.
The new rocket model is a variant of the Long March-5 and can carry larger payloads -- up to 22 tonnes into low-Earth orbit.
It was designed to carry space station modules into orbit, said Wang Jue, chief director of the rocket development team at the China Academy of Launch Vehicle Technology (CALT).
50 years after US moon landing, China is catching up in the space race
50 years after US moon landing, China is catching up in the space race
It measures around 53.7 meters in length, reports Xinhua, and weighs around 849 tonnes at takeoff.
It has been almost 10 years in development and boasts the largest fairing -- the protective nose cone that contains the payload -- of any Chinese carrier rocket.
The single-core stage makes for a simple structure and will ensure greater reliability, compared to multi-stage rockets, according to Xinhua.
One of the main challenges for designers was making sure the rocket could drop its payload directly into orbit, which requires extreme precision.
As a result, the Long March-5B is equipped with guidance, navigation and control technology that mean its trajectory can be adjusted continuously, chief designer Li Dong told Xinhua.
China successfully launches Long March 5 rocket, paving way for more ambitious space projects
China successfully launches Long March 5 rocket, paving way for more ambitious space projects
Designers will use what they learned from the Long March-5B to develop a heavy-lift launch vehicle, he added.
Before the end of the year, the Long March-5 is scheduled to launch China's first Mars probe and the Chang'e-5 lunar probe to collect moon samples and return to Earth, according to Xinhua.
China launched its first manned space flight in 2003 -- more than 40 years after NASA.
But as the nation has grown richer and more powerful in recent decades, its space program has accelerated.
Buoyed by billions of dollars in government investment, Beijing has fired space labs and satellites into orbit and even become the first country to send an unmanned rover to the far side of the moon.
Now, China is planning to launch a permanent space station by 2022, and there has even been talk of becoming just the second nation to send a person to the surface of the moon, possibly in the 2030s.
CNN's Ben Westcott, Matt Rivers and Lily Lee contributed to this report.

China takes step toward space station with new rocket launch
By Jack Guy, CNN

Updated 0232 GMT (1032 HKT) May 7, 2020
China launches new rocket into space
Now PlayingChina launches new...
Source: CNN

新型コロナ 国内初の治療薬レムデシビル 重症患者に限定投与

国内で初めての新型コロナウイルスの治療薬「レムデシビル」が7日に承認されました。流通量が限られ、重大な副作用が生じるおそれもあるということで、重症患者に限定して投与する方針です。

新型コロナウイルスの治療薬として承認されたのは、アメリカの製薬会社「ギリアド・サイエンシズ」が開発した「レムデシビル」です。

「レムデシビル」は
エボラ出血熱の治療薬として開発が進められてきましたが、新型コロナウイルスの治療にも効果が期待されていて、アメリカでは今月1日、重症患者に対する緊急的な使用が認められました。

日本国内でも今月4日に製薬会社から申請されていて、厚生労働省は
審査を大幅に簡略化する「特例承認」の制度を適用し、7日夜、申請から3日という異例の早さで、国内で初めての治療薬として承認しました。

投与の対象はアメリカと同じく重症患者に限定され、「ECMO」と呼ばれる人工心肺装置や、人工呼吸器を使っている人などとされています。

厚生労働省によりますと、患者の自己負担は発生しない見通しです。

一方で、重大な副作用として腎臓や肝臓に障害が生じるおそれがあるということで、提供を受けたすべての患者について引き続きデータを集めるとしています。

世界に向けて当面、14万人分が供給される見通しですが、このうち日本に提供される量や時期はまだ決まっていないということです。流通量が限られることから、当面は国が管理し、重症患者の治療にあたる医療機関に優先して提供する方針です。



 
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