The requirements of Pfizer's shots create a "use it or lose it" situation.Part of a so-called freezer farm, a football field-sized storage facility for finished Covid-19 vaccines, is seen in October at a Pfizer facility in Puurs, Belgium. | Pfizer via APThe Trump administration hopes to start delivering millions of doses of Covid-19 vaccines in December.But the short shelf life of Pfizer’s shots and uncertainty over how to get them to enough health care workers, frail seniors and other priority patients once vials with vaccines are taken out of cold storage and cracked open could mean...…The requirements of Pfizer's shots create a "use it or lose it" situation.Part of a so-called freezer farm, a football field-sized storage facility for finished Covid-19 vaccines, is seen in October at a Pfizer facility in Puurs, Belgium. | Pfizer via APThe Trump administration hopes to start delivering millions of doses of Covid-19 vaccines in December.But the short shelf life of Pfizer’s shots and uncertainty over how to get them to enough health care workers, frail seniors and other priority patients once vials with vaccines are taken out of cold storage and cracked open could mean...WW…

The test can be used by people who are at least 14 years old when their health provider suspects they have Covid-19.The FDA said that the health care providers of patients who use the test must report the results to public health authorities. | Sarah Silbiger/Getty ImagesThe Food and Drug Administration has the first prescription at-home coronavirus test, in a long-awaited milestone.The test, developed by Lucira Health, can be used by people who are at least 14 years old when their health provider suspects they have Covid-19, the FDA said late Tuesday. The test can be used on younger...…The test can be used by people who are at least 14 years old when their health provider suspects they have Covid-19.The FDA said that the health care providers of patients who use the test must report the results to public health authorities. | Sarah Silbiger/Getty ImagesThe Food and Drug Administration has the first prescription at-home coronavirus test, in a long-awaited milestone.The test, developed by Lucira Health, can be used by people who are at least 14 years old when their health provider suspects they have Covid-19, the FDA said late Tuesday. The test can be used on younger...WW…

The president had trouble breathing Saturday morning and had started a drug used only for severe or critical cases of Covid-19.President Donald Trump’s doctors at Walter Reed National Military Medical Center revealed Sunday that the president’s condition is more serious than the White House has so far acknowledged.“I didn’t want to give any information that might steer the course of illness in another direction,” Sean Conley, the president’s physician, told reporters during a hospital briefing. “In doing so, it came off that we were trying to hide something, which wasn’t necessarily...…The president had trouble breathing Saturday morning and had started a drug used only for severe or critical cases of Covid-19.President Donald Trump’s doctors at Walter Reed National Military Medical Center revealed Sunday that the president’s condition is more serious than the White House has so far acknowledged.“I didn’t want to give any information that might steer the course of illness in another direction,” Sean Conley, the president’s physician, told reporters during a hospital briefing. “In doing so, it came off that we were trying to hide something, which wasn’t necessarily...WW…

Stephen Hahn has worked to reassert his agency's independence amid pressure from Trump.FDA Commissioner Stephen Hahn wears a protective covering during a congressional hearing. | Al Drago/Getty ImagesThe White House has blocked FDA Commissioner Stephen Hahn from testifying to a House committee about his agency’s pandemic response, angering the panel’s top Democrats who said they have pressing questions about political interference at the agency.“The American people deserve to hear Commissioner Hahn’s response to those concerns during a public hearing and what actions he is taking to ensure...…Stephen Hahn has worked to reassert his agency's independence amid pressure from Trump.FDA Commissioner Stephen Hahn wears a protective covering during a congressional hearing. | Al Drago/Getty ImagesThe White House has blocked FDA Commissioner Stephen Hahn from testifying to a House committee about his agency’s pandemic response, angering the panel’s top Democrats who said they have pressing questions about political interference at the agency.“The American people deserve to hear Commissioner Hahn’s response to those concerns during a public hearing and what actions he is taking to ensure...WW…

The testimony from top federal health officials clashed with President Donald Trump’s rosier predictions about the pandemic’s trajectory.The country’s recent progress against Covid-19 could be short-lived if Americans do not continue to take precautions like mask wearing and social distancing, HHS testing czar Brett Giroir said Wednesday.The number of new infections has decreased nationwide by 48 percent following a spike beginning around Memorial Day, while the number of coronavirus patients in intensive care units has dropped by 62 percent and deaths have fallen 33 percent over the same...…The testimony from top federal health officials clashed with President Donald Trump’s rosier predictions about the pandemic’s trajectory.The country’s recent progress against Covid-19 could be short-lived if Americans do not continue to take precautions like mask wearing and social distancing, HHS testing czar Brett Giroir said Wednesday.The number of new infections has decreased nationwide by 48 percent following a spike beginning around Memorial Day, while the number of coronavirus patients in intensive care units has dropped by 62 percent and deaths have fallen 33 percent over the same...WW…