Second-Shot Crunch Leaves Many Without Complete Immunizations John Tozzi Bloomberg.com

Almost a month after U.S. vaccination campaigns ramped up to give Covid-19 shots to more than a million people a day, their second doses are coming due, straining state rollouts and and leaving some without complete immunizations.

US coronavirus death toll approaches milestone of 500,000 The U.S. stood Sunday at the brink of a once-unthinkable tally: 500,000 people lost to the coronavirus. A year into the pandemic, the running total of lives lost was about 498,000 — roughly... AP NEWS

The U.S. stood at the brink of a once-unthinkable tally: 500,000 people lost to the coronavirus.

Texas freeze led to release of tons of air pollutants as refineries shut The largest U.S. oil refiners released tons of air pollutants into the skies over Texas this week, according to figures provided to the state, as one environmental crisis triggered another. Laura Sanicola, Erwin Seba U.S.

NEW YORK/HOUSTON (Reuters) - The largest U.S. oil refiners released tons of air pollutants into the skies over Texas this week, according to figures provided to the state, as one environmental crisis triggered another.

Breaking down the psychology of vaccine hesitancy Identifying the psychological barriers to taking vaccines is key to reaching the vaccine-hesitant. Bryan Walsh Axios

A new survey identifies some of the psychological barriers to taking vaccines — and how to overcome them.

The big picture: With COVID vaccine production and distribution ramping up, we're going to reach a moment when supply exceeds demand, which puts a premium on finding ways to persuade the persuadable on the value of vaccines.

America's vaccine rollout has been among the best in the world It hasn't been perfect. It could be a whole lot worse. Dave Lawler Axios

America’s much-maligned vaccine rollout is actually going relatively well, at least compared to other wealthy countries.

States facing new Covid vaccine shortage: Who is giving the shots? Not just anyone can help give shots. Training requirements vary by state. YahooNews

Beating back Covid-19 right now comes down to balancing supply and demand. With hopes pinned to vaccines, demand has far outstripped the supply of doses.

But, as an increasing number of vaccine vials are shipped in coming weeks, the concern about shortages may well shift to human capital: the vaccinators themselves.