Essay: Covid-19 may be here to stay. We can learn to live with it, writes former CDC director Tom Frieden, if we’re flexible enough to meet an evolving threat.
Cases are dramatically up again, but simple protective measures can still control the disease if we deploy them flexibly
As the Delta variant sweeps the globe, scientists are learning more about why new versions of the coronavirus spread faster, and what this could mean for vaccine efforts. The spike protein, which gives the virus its unmistakable shape, may hold the key. Illustration: Nick Collingwood/WSJJust when we thought it was safe to throw away our masks and go out again, the Delta variant looks poised to set us back to square one. Many Americans are left wondering if this pandemic is permanent.
There’s plenty of bad news to fuel these anxieties. The Delta variant is more than twice as infectious as the virus we’ve been fighting for the past 18 months. It seems slightly more able to evade even our best defenses, which are the mRNA vaccines produced by Pfizer and Moderna, and vaccinated people with breakthrough infections can further spread the virus.
Delta’s contagiousness, together with low vaccination rates and a premature end to indoor masking and distancing, has led to a dramatic resurgence of cases, hospitalizations and deaths in the U.S., just as schools and businesses were planning to reopen. Vaccine hesitancy is prolonging and exacerbating the pandemic, with explosive spread and overwhelmed hospitals in areas with the lowest vaccination rates.
Globally, the Covid pandemic is still in full swing, with many countries experiencing devastating burdens of illness and death. In most of the world, vaccination is progressing far too slowly. There is simply not nearly enough effective vaccine to meet global demand, and wealthy countries are monopolizing most of the supply. At the current rate, much of the world could remain unvaccinated—and global stability out of reach—until 2023.
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