A volunteer in Moderna's vaccine clinical trial receives a shot. Photo: Paul Hennessy/NurPhoto via Getty ImagesThe U.S. government has agreed to buy 100 million doses of Moderna's experimental coronavirus vaccine for $1.5 billion, or $15 per dose.Why it matters: The Trump administration, through Operation Warp Speed, has now bought initial batches of vaccines from Moderna, , , , and before knowing whether they are safe and effective. The federal government also some of the patent rights associated with Moderna's vaccine.Moderna said in new that it "cannot be certain that we were the first...…A volunteer in Moderna's vaccine clinical trial receives a shot. Photo: Paul Hennessy/NurPhoto via Getty ImagesThe U.S. government has agreed to buy 100 million doses of Moderna's experimental coronavirus vaccine for $1.5 billion, or $15 per dose.Why it matters: The Trump administration, through Operation Warp Speed, has now bought initial batches of vaccines from Moderna, , , , and before knowing whether they are safe and effective. The federal government also some of the patent rights associated with Moderna's vaccine.Moderna said in new that it "cannot be certain that we were the first...WW…

Illustration: Sarah Grillo/AxiosNew annual financial documents for large health care companies are rolling in with a familiar tune: executives took home large paydays in 2019 that mostly came from large stock gains. The bottom line: The health care system is a , and a good chunk of that money always makes its way to the top.By the numbers: 10 major health care companies have filed preliminary or final disclosures outlining executive pay in 2019. The CEOs at those firms made more than $300 million collectively, according to our updated tracker of health care executive compensation.What we're...…Illustration: Sarah Grillo/AxiosNew annual financial documents for large health care companies are rolling in with a familiar tune: executives took home large paydays in 2019 that mostly came from large stock gains. The bottom line: The health care system is a , and a good chunk of that money always makes its way to the top.By the numbers: 10 major health care companies have filed preliminary or final disclosures outlining executive pay in 2019. The CEOs at those firms made more than $300 million collectively, according to our updated tracker of health care executive compensation.What we're...WW…

A worker inspects chloroquine tablets. Photo: Feature China/Barcroft Media via Getty Images"A man has died and his wife is under critical care after the couple, both in their 60s, ingested chloroquine phosphate, an additive commonly used at aquariums to clean fish tanks," one of the anti-malaria drugs that President Trump has mentioned in recent days, according to , the hospital system that treated both patients.Why it matters: People who attempt to self-medicate risk serious side effects or death, and it's why any messaging about chloroquine and the related hydroxychloroquine should...…A worker inspects chloroquine tablets. Photo: Feature China/Barcroft Media via Getty Images"A man has died and his wife is under critical care after the couple, both in their 60s, ingested chloroquine phosphate, an additive commonly used at aquariums to clean fish tanks," one of the anti-malaria drugs that President Trump has mentioned in recent days, according to , the hospital system that treated both patients.Why it matters: People who attempt to self-medicate risk serious side effects or death, and it's why any messaging about chloroquine and the related hydroxychloroquine should...WW…