Will Covid-19 vaccines protect you against variants? 9 questions about variants, answered.
The Covid-19 pandemic now appears to be the worst it has ever been, with daily new cases worldwide topping 800,000 several times over the past week. More new cases have been reported in the past two weeks than in the first six months of the crisis. More than one in three of these new cases…
Biden agreed to waive vaccine patents. But will that help get doses out faster?
The Biden administration has announced that it will work with the World Trade Organization (WTO) to negotiate a deal to suspend intellectual property rights associated with the Covid-19 vaccines — a surprise move for the administration, which had initially resisted taking such a step. The reversal came as Covid-19 deaths are mounting in India and…
How the world missed more than half of all Covid-19 deaths
The world may have undercounted Covid-19 deaths by a staggering margin, according to an analysis released Thursday by the Institute for Health Metrics and Evaluation (IHME) at the University of Washington School of Medicine. The actual count may actually be 6.9 million deaths, more than double official tolls. The United States alone is estimated to…
The falling Chinese space rocket is a policy failure
There’s a scene in The West Wing’s second season in which one of the protagonists is told a Chinese satellite is falling to Earth, but no one knew exactly when or where. “A satellite is crashing to Earth, and NASA sent us a fax?” Donna Moss says, clearly concerned. But few in the show shared…
Why India needs oxygen more urgently than vaccines
While here in the US some are tentatively removing their masks and resuming small outdoor gatherings, others around the world are searching for air. In India, people need oxygen, and they need it now. Last week, Covid-19 became India’s No. 1 killer. One million people in a country with a population of 1.3 billion are…
Covid-19 proved bad indoor air quality makes us sick. We can fix that.
If a waiter at a restaurant brought you a murky, stinky glass of water, that would be unacceptable. But yet, many waiters — at least before the Covid-19 pandemic hit — were forced to breathe poorly ventilated air in restaurants and other indoor spaces where people packed together. And still today, “if anybody asks a…
Vaccine passports can liberate America
Now that the Centers for Disease Control and Prevention (CDC) has said that people who have been vaccinated against Covid-19 can shed their masks, there are obvious questions: How do you verify that people are vaccinated? Especially in situations in which some people can’t get vaccinated, including young children, or may remain vulnerable after, like…
Why the WHO approval of the first malaria vaccine is a big deal
Every year, malaria kills more than 400,000 people, most of them children. There has been significant progress against the disease in the past few decades — death rates have fallen nearly in half since 2000 — but there’s still a long way to go. For decades, researchers have been working on developing a vaccine. It…
Our amazing sense of touch, explained by a Nobel laureate
Before 2010, scientists knew very little about how the sensation of touch begins its journey into a person’s consciousness. They knew that nerve endings help carry the message from different parts of our bodies to our brains. But they didn’t know what kind of receptor on the nerve ending causes the message to fire —…
How you’ll know when Covid-19 has gone from “pandemic” to “endemic”
You’ve probably heard it by now: Covid-19 is not going away. The broad consensus among experts is that it’s not realistic to think we’re going to totally eradicate this virus. We will, however, see it move out of the pandemic phase and into the endemic phase. That means the virus will keep circulating in parts…