The Biden administration announced that Americans who have been fully vaccinated with a two-dose regimen against Covid-19 should receive a booster, citing the threat from the highly contagious Delta variant. WSJ breaks down what you need to know. Photo: Kamil Krzaczynski/Reuters
Across the country, states are shelling out incentives ranging from free beer to $1 million lotteries to encourage residents to get their Covid-19 shots. But is the effort to boost vaccination rates working? And is it worth the cost? Photo composite: Adam Falk/The Wall Street Journal
Technologies in development for delivering vaccines include Enesi’s dissolving implants, microneedle patches, electrical-pulse systems, nasal sprays and even pills.
Some firms are developing their own vaccines against Covid-19, while others are aiming to reformulate some of the dozens already in development or being rolled out world-wide. Some are sitting this pandemic out in the hope of being ready for the next one.
All are in the early to mid-stages of development and clinical testing, suggesting it might be months if not years before they come to market. Big pharmaceutical companies have so far shown limited interest.
As highly transmissible coronavirus variants sweep across the world, scientists are racing to understand why these new versions of the virus are spreading faster, and what this could mean for vaccine efforts. New research says the key may be the spike protein, which gives the coronavirus its unmistakable shape. Illustration: Nick Collingwood/WSJ
As new coronavirus variants sweep across the world, scientists are racing to understand how dangerous they could be. WSJ explains. Illustration: Alex Kuzoian/WSJ
Health experts say having a vaccine is just one front in a two-front battle against COVID-19. The other is effective treatments for those who are already sick with the disease. WSJ breaks down the three most promising types in development. Photo Illustration: Jacob Reynolds/WSJ.
Scientists are working at breakneck speed to develop an effective vaccine for the coronavirus. Their ultimate goal: to immunize enough of the world’s population to reach herd immunity. WSJ explains.
Illustration: Jacob Reynolds
Public health organizations track the spread of coronavirus and use graphs and charts to visualize the data. WSJ’s Brianna Abbott explains what to look for in the data to understand how the virus is impacting your community.
Photo illustration: Laura Kammermann/WSJ