Covid-19: Chile deploys fourth dose of vaccine

Covid 19 Chile deploys fourth dose of vaccine

A man receives his fourth dose of the Covid-19 vaccine in Santiago on January 11, 2022, as the campaign started the day before in Chile. STRINGER / REUTERS At the heart of the austral summer, Monday January 10, Chile began to administer the fourth dose of vaccine against Covid-19. Immunocompromised people over the age of … Read more

Sunshield successfully deploys on NASA’s next flagship telescope

The sunshield — about the size of a tennis court at full size — was folded to fit inside the payload area of an Arianespace Ariane 5 rocket’s nose cone prior to launch. The Webb team began remotely deploying the sunshield Dec. 28, 2021, three days after launch. “This is the first time anyone has … Read more