How the coronavirus infects cells — and why Delta is so dangerous

Scientists are unpicking the life cycle of SARS-CoV-2 and how the virus uses tricks to evade detection.

Photo by CDC on Unsplash

https://web.archive.org/web/20210731235001/https://www.nature.com/articles/d41586-021-02039-y

India’s vaccinations hit record with free COVID shots

India gave out a record 7.5 million vaccine doses on Monday under a federal campaign to inoculate all adults for free after weeks of criticism that a chaotic rollout had worsened a second wave that killed hundreds of thousands.

https://www.reuters.com/world/india/india-reports-53256-new-covid-19-cases-2021-06-21/

Novavax COVID-19 Vaccine Demonstrates 90% Overall Efficacy

Novavax, Inc. today announced that NVX-CoV2373, its recombinant nanoparticle protein-based COVID-19 vaccine, demonstrated 100% protection against moderate and severe disease, 90.4% efficacy overall, and met the primary endpoint in its PREVENT-19 pivotal Phase 3 trial.

Photo by CDC on Unsplash

The study enrolled 29,960 participants across 119 sites in the U.S. and Mexico to evaluate efficacy, safety and immunogenicity, with an emphasis on recruiting a representative population of communities and demographic groups most impacted by the disease.

https://web.archive.org/web/20210614142329/https://ir.novavax.com/news-releases/news-release-details/novavax-covid-19-vaccine-demonstrates-90-overall-efficacy-and

Microsoft to retire Internet Explorer on June 15, 2022

In a post on its official blog, Microsoft said that the Internet Explorer 11 desktop application will be retired and go out of support on June 15, 2022, for certain versions of Windows 10. 

This change will pave way for Microsoft Edge to provide a path to the web's future.

Health Canada authorizes use of the Pfizer-BioNTech COVID-19 vaccine in children 12 to 15 years of age

Today, Health Canada authorized the use of the Pfizer-BioNTech COVID-19 vaccine in children 12 to 15 years of age. This is the first COVID-19 vaccine authorized in Canada for use in children and marks a significant milestone in Canada's fight against the COVID-19 pandemic.

https://www.canada.ca/en/health-canada/news/2021/05/health-canada-authorizes-use-of-the-pfizer-biontech-covid-19-vaccine-in-children-12-to-15-years-of-age.html

Covid-19: Infections fell by 65% after first dose of AstraZeneca or Pfizer vaccine, data show

Infections of SARS-CoV-2 fell by 65% after a first dose of the Oxford-AstraZeneca or Pfizer-BioNTech vaccines, preliminary results from a large UK surveillance study indicate.

Reductions increased to 70% after a second dose of the Pfizer vaccine, data from the UK Covid-19 Infection Survey show. Not enough people had yet received two doses of the AstraZeneca vaccine to assess this.

https://www.bmj.com/content/373/bmj.n1068

Nasa successfully flies small helicopter on Mars

The drone, called Ingenuity, was airborne for less than a minute, but Nasa is celebrating what represents the first powered, controlled flight by an aircraft on another world.

https://www.bbc.com/news/science-environment-56799755