The rise of the Delta variant has prompted a thorny question: Do we need a booster dose of the vaccine for Covid-19? Vaccine makers think so, but regulators are yet to be convinced.
Principles are also at stake: Should richer countries be talking about administering extra doses when so many people around the world are yet to receive even a single shot?
Gue ... Show More
Today
The Ukrainian Peace Plan Written by ... Russia?
<p>When President Trump’s peace plan to end the war in Ukraine was leaked last week, many felt as though Russia had written the proposal, and to a large degree, it reflected the Kremlin’s demands. The plan set off a global outcry that has forced American officials to revise their ... Show More
27m 59s
Nov 24
The Autism Diagnosis Problem
<p>Once primarily limited to severely disabled people, autism began to be viewed as a spectrum that included children and adults far less impaired. Along the way, the disorder also became an identity, embraced by college graduates and even by some of the world’s most successful p ... Show More
32m 40s
Jan 2021
What's with the hold-up with the Pfizer vaccine?
The vaccine hopes of millions of people worldwide are hanging on the Pfizer vaccine, but the supply of the shot is facing delays.
Why? Well, it relies on a whole lot of things that have never happened before all happening at once, in perfect sequence.
It's the first approved mRNA ... Show More
10m 52s
Dec 2020
Vaccine hesitancy, the next pandemic hurdle
As the Pfizer-BioNTech vaccine rolls out across the country, and other vaccines await imminent regulatory approval, many public health experts are focusing on the issue of vaccine hesitancy.
Canada's Chief Public Health Officer Dr. Theresa Tam has spoken out about the "moveable m ... Show More
31m 47s