America’s slow, painful shift to enforcing mask mandates Mask enforcement won’t work without education. Lois Parshley Vox

Though 33 states now have face mask mandates, Gov. Pete Ricketts says his state of Nebraska will not be joining them. On Monday, Ricketts doubled down on his conviction that a statewide mask mandate would be too “heavy-handed.”

NEW BRUNSWICK, New Jersey, Aug. 5, 2020 /PRNewswire/ -- Johnson & Johnson (NYSE: JNJ) (the Company) today announced its Janssen Pharmaceutical Companies have entered into an agreement with the U.S. government for the large scale domestic manufacturing and delivery in the U.S. of 100 million doses of Janssen's SARS-CoV-2 investigational vaccine, Ad26.COV2.S, for use in the United States following approval or Emergency Use Authorization by the U.S. Food and Drug Administration (FDA).

So far, most of the conversation about COVID-19 vaccines has focused on the question of whether researchers can develop an effective vaccine in record time. 

But maybe we should start asking another question as well: Will enough Americans actually get the vaccine for it to be effective? 

“It’s not a vaccine that will save us,” says Harvard Global Health Institute director Ashish Jha. “It’s vaccination.” 

http://www.thelancet-press.com/embargo/hcwcovid.pdf

Risk of COVID-19 among front-line health-care workers and the general community: a prospective cohort study

Summary Background Data for front-line health-care workers and risk of COVID-19 are limited. We sought to assess risk of COVID-19 among front-line health-care workers compared with the general community and the effect of personal protective equipment (PPE) on risk.