Officials in the United States are rolling out new incentives to encourage vaccination as demand slows. Maryland Gov. Larry Hogan (R) on Thursday launched a $2 million lottery that will distribute dozens of $40,000 cash prizes to vaccinated residents — along with a grand prize of $400,000. New York Gov. Andrew M. Cuomo (D) announced a $5 million “vax and scratch” lottery.

The White House on Friday highlighted an effort by popular dating apps to encourage vaccinations by giving users badges to signal their inoculation status. It’s part of the Biden administration’s larger plan to have at least 70 percent of adults receiving both shots by July 4.

In Europe, hopes are high that official plans to ease travel restrictions can help spur a summer tourism rebound as new coronavirus cases in the region decline sharply. Policymakers are expected to outline further details Friday of measures to remove quarantine requirements for vaccinated travelers starting July 1.

Here are some significant developments:

  • The true death toll of the coronavirus pandemic could be as high as 8 million, far above the official figure of 3.4 million, a World Health Organization official said Friday.
  • Leaders of rich countries admit to vast vaccine inequities during global health summit — but offer little to rapidly close the gap.
  • India on Friday reported 4,209 covid-19 deaths in the past 24 hours and almost 260,000 new coronavirus cases. The country’s health system has been struggling to cope and its vaccination drive is faltering.
  • South Korean President Moon Jae-in is expected to ask for speedier shipments of U.S. vaccines when he meets Biden at the White House on Friday.
  • New cases of the coronavirus continue to decline in the United States. About 48 percent of the U.S. population has received at least one vaccine dose.