https://www.theguardian.com/us-news/2021/jun/20/us-covid-delta-variant-spreads-vaccination-rates-drop

Biden’s 70% vaccination target by Fourth of July likely to fall short as efforts to entice people to get shots have lost their initial impact

Edward HelmoreSun 20 Jun 2021 10.27 EDT

With Covid vaccination penetration in the US likely to fall short of Joe Biden’s 70% by Fourth of July target, pandemic analysts are warning that vaccine incentives are losing traction and that “two Americas” may emerge as the aggressive Delta variant becomes the dominant US strain.

Efforts to boost vaccination rates have come through a variety of incentives, from free hamburgers to free beer, college scholarships and even million-dollar lottery prizes. But of the efforts to entice people to get their shots have lost their initial…