The vaccines are effective at preventing serious illness and death, but they are not a golden shield against the coronavirus.
The rise of Tthe Delta variant has driven new Covid-19 outbreaks, rattled markets, and reminded us that — for all the progress made in the fight against the pandemic — vulnerabilities persist.
Three COVID-19 vaccines have been widely available in Alabama for months now, yet the state is last in the nation in vaccination rate, with only 33.7 percent of the population fully vaccinated.
SINGAPORE — England has removed nearly all coronavirus restrictions. Germany is allowing vaccinated people to travel without quarantines. Outdoor mask mandates are mostly gone in Italy. Shopping malls remain open in Singapore.
Friendships can be difficult, and lockdowns have made them even harder to maintain. But we should cherish them.
Real-world studies show Pfizer and AstraZeneca still offer strong protection against severe disease.
The COVID-19 curve in the U.S. is rising again after months of decline, with the number of new cases per day doubling over the past three weeks, driven by the fast-spreading delta variant, lagging vaccination rates and Fourth of July gatherings.