Once 75%–80% of people get vaccinated against the coronavirus, there should be strong enough herd immunity that we can return to normal activities, NIAID director Anthony Fauci tells Axios.
Driving the news: The FDA is meeting with outside experts today as the agency considers granting an emergency use authorization to Pfizer-BioNTech for their COVID-19 vaccine. A similar meeting is slated for next week to discuss a vaccine developed by Moderna.
Almost 75% of the world's deaths last year were from non-communicable diseases like heart disease, diabetes and cancer, according to the World Health Organization.
Why it matters: Worldwide life expectancy is now up to an average of 73 years — six years longer than it was in 2000. But chronic, and in some cases preventable, disease is also taking a bigger toll than it was 20 years ago.
The Future of Life Institute on Wednesday gave its annual award to two doctors who were the key figures behind the eradication of smallpox.
Why it matters: Smallpox was one of the deadliest diseases the world has ever known, killing an estimated 500 million people in the 20th century alone. The hard-fought campaign to eliminate it not only saved what Future of Life estimates is 200 million people, but also "showed the world that diseases can be defeated," as Bill Gates put it.
For the first time in history, human-made materials now likely outweigh all life on Earth.
Why it matters: If true, it would mean the world had reached a crossover point where humankind's total footprint is heavier than the combined mass of natural life — and there's little indication that trend will change anytime soon.