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Science & Technology Current Affairs April 4th Week 2021
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Science & Technology Current Affairs April 4th Week 2021

Rising Prevalence of U.K. Strain in Delhi:

The proportion of genome samples sequenced from COVID-19 cases in the state of Delhi containing the U.K. variant (B.1.1.7) has increased from 28% in the second week of March to 50% in the final week.
♦ The N501Y mutation in the U.K. strain is known to amplify virus transmission, leading to increased numbers and, as a result, increased disease incidence and mortality.
♦ Along with Punjab, Chhattisgarh, and Gujarat, Delhi was one of the states where cases of the UK strain in the general public far outnumbered those found among foreign visitors and their contacts.
♦ A mutation is simply a modification in the genome`s letter sequence. Virus mutations are an unavoidable aspect of evolution.
♦ The fact that tens of thousands of people have been infected adds to the virus`s pressure to develop.
A UNICEF Goodwill Ambassador is in charge of a global vaccination campaign:
David Beckham, a UNICEF Goodwill Ambassador, is leading an international campaign to boost vaccine interest and encourage parents to vaccinate their children against deadly diseases.
♦ Beckham discusses the loss of everyday activities due to COVID-19, such as hugs with family, spending time with friends, and being with the humans we love, in an effective video released in advance of World Immunization Week, and urges mother and father to vaccinate themselves so that they can be healthy.
♦ UNICEF Headquarters is at New York, United States of America.
♦ UNICEF Executive Director: Henrietta H. Fore.

Crew 2 of the International Space Station has been launched with four astronauts:

As part of a partnership between NASA and SpaceX under the Commercial Crew Program, four astronauts were launched to the International Space Station (ISS) from Florida. Crew-2 is the name of the mission.
♦ The Commercial Crew Program is a collaboration between NASA and the private sector to transport astronauts to and from the International Space Station.
♦ Unlike previous human spaceflight projects, NASA is a buyer who purchases flights from commercial companies. The spacecraft is not owned or operated by the company.
♦ The programme is assisting in lowering the cost of spaceflight and, without a doubt, creating a new opportunity for people in space.
♦ NASA will focus its efforts on developing spacecraft and rockets for deep space exploration missions by enabling private organisations to provide crew transportation to and from low-Earth orbit.
♦ NASA chose Boeing and SpaceX in September 2014 to improve transportation systems that will carry crew from the United States to the International Space Station.
♦ The International Space Station (ISS) is a livable artificial satellite tv for pc and the single largest man-made structure in low earth orbit. In 1998, the first factor was launched into space. It takes ninety-two minutes to circle the Earth and makes 15.5 orbits every day. It is scheduled to run until 2030.



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