Israel has the highest rate of COVID-19 vaccine coverage worldwide, and so has been one of the first countries to report on vaccine effectiveness.
Abir Sultan/EPA-EFE
Though COVID-19 has killed Black Americans at nearly twice the rate as white Americans, Black people are the least likely racial group to say they're eager to get the vaccine.
A medic administers a COVID-19 vaccine in Mumbai. India and South Africa have led efforts to get a waiver on intellectual property rights.
Pratik Chorge/Hindustan Times via Getty Images
In 1959, three armed men broke into the University of Montréal and stole the whole supply of polio vaccine — 75,000 vials valued at $50,000. What have we learned from this event?
Access to coronavirus vaccine depends on where in the world you live.
Alamy Stock Photo
The Pfizer vaccine rolls out to high-risk people in Australia from next week. And many of these front-line workers will be women. Here's what we know so far.
The success of Brazil’s vaccine program will have a ripple effect on countries to which it exports commodities such as steel.
Michael Dantas/AFP via Getty Images
The world's most advanced economies will incur half the total costs associated with a failure to vaccinate poorer nations, which could exceed $4 trillion if only half their citizens are inoculated.
Researchers are already working to improve the current crop of mRNA vaccines. Hopefully this will help them become more practical and affordable for the entire world, not just first-world countries.
Historically, we immunized children against diseases like polio that were a clear danger to them, but COVID-19 is usually mild in children. However, herd immunity is unlikely without vaccinating kids.
It’s unlikely South Africa will have a substantial number of vaccines until the second half of this year. Most of the vaccines produced in Europe or America have been bought by other countries.
Seniors in Fort Myers, Fla. wait for their COVID-19 vaccinations. At this site, 800 doses of vaccine were available.
Octavio Jones via Getty Images
The shipment of goods to suppliers has become technologically sophisticated. Delays in getting out the COVID-19 vaccine to people show that the breakdowns come down to something more basic.
Pharmacist Jessica Sahni prepares a Pfizer COVID-19 vaccine in New York City.
Bryan R. Smith/AFP via Getty Images
Lana Dbeibo, Indiana University School of Medicine
Now that two COVID vaccines have been authorized by the FDA, questions arise. Today, a physician from Indiana University School of Medicine answers five reader questions.
Professor Emeritus of Health Policy and Management, York University, Emergency Physician at University Health Network, Associate Professor of Family and Community Medicine, University of Toronto
Professor of Bioethics & Medicine, Sydney Health Ethics, Haematologist/BMT Physician, Royal North Shore Hospital and Director, Praxis Australia, University of Sydney
Visiting Professor in Biomedical Ethics, Murdoch Children's Research Institute; Distinguished Visiting Professor in Law, University of Melbourne; Uehiro Chair in Practical Ethics, University of Oxford