Brazil is seeing a record number of deaths, and the spread of a more contagious coronavirus virus variant that may cause reinfection.
The more people who become immune to the virus, the less this scourge will be able to mutate and evade the vaccines already available.
“Now is not the time to relax restrictions,” the C.D.C. director, Rochelle Walensky, said, pointing to a leveling of coronavirus infections as governors move to lift pandemic restrictions.
At last, shots are going into arms in significant numbers, but too many people could still fall through the cracks.
VaccineFinder.org is an ambitious but limited attempt to simplify Americans’ search for vaccines.
Coronavirus cases at fitness centers in Chicago and Honolulu were linked to carelessness about masks and symptoms, federal health officials found.
American life expectancy fell by one year, to 77.8 years, in the first half of 2020. It may rebound as the pandemic’s end approaches.
Scientists say the new investment will help in the next couple of months, but hope that the stimulus package will provide much more.
The agency has not fully reckoned with airborne transmission of the coronavirus in settings like hospitals, schools and meatpacking plants, experts said.
Other news organizations have their own personnel dramas. But none attract the spotlight like The Times.
Amid an acrid national controversy, the agency proposed detailed criteria for returning students to classrooms.
With the vaccine rollout moving slowly and contagious coronavirus variants spreading, the agency said masks still offered powerful protection — if worn correctly.
The federal government’s new guidance for reopening classrooms does not require teachers to be vaccinated first.
For now, the government has been relying on a patchwork of programs that officials say are hampered by limited size and gaps in data collection.
The Biden administration has secured more coronavirus vaccines, but the president struck a cautious tone about logistical issues that could keep some Americans from being vaccinated.
Relaxing rules on indoor dining and other activities undermines vaccination efforts and gives a leg up to coronavirus variants.
Health workers are still being forced to ration protective masks, but small U.S. manufacturers can’t find buyers, and some are in a danger of going under.
The administration has race and ethnicity data for just 52 percent of vaccine recipients. Next week, it will begin shipping doses directly to clinics in underserved communities.
A link to the vaccines is not certain, and investigations are underway in some reported cases.
Health agencies and hospitals are using different formulas to allocate the coronavirus shots, exacerbating disparities in vaccine access.
It’s hard to solve a problem when you barely know what’s going on.
You finally got your vaccine, and you’re excited to share the proof. Here’s why that may not be a good idea, and what you can do instead.
The Trump administration awarded a no-bid contract to Deloitte to develop software to track vaccinations, but the system has flaws. A competitor has accused the C.D.C. and the company of stealing her idea.
Experts offer tips on how to stay safe. For one, don’t plan on shouting or cheering with your friends.
A reader plans to hop on a flight two weeks after her second shot of the coronavirus vaccine to see much-missed grandchildren, but wonders what health and safety precautions she still needs to take.
How Zeynep Tufekci saw Covid-19 coming, and what she thinks we’re still getting wrong.
The change aligns the organization with the guidance from the U.S. Centers for Disease Control and Prevention.
No matter where you live or how high your socioeconomic status, climate change can endanger your health, both physical and mental, now and in the future.
Practical pandemic guidance is still a huge problem.
Forget boosters and more trials. America’s overly prudent vaccination strategy is killing people.
The W.H.O. and the C.D.C. provide differing views, and experts partly blame a lack of data because expectant mothers have been excluded from clinical trials.
Teacher resistance is a disaster for the most vulnerable.
Here’s what you need to know at the end of the day.
“Let’s not wait until we wrap the car around the tree to start pumping the brakes.”
In pleas for more money from Capitol Hill, the advisers said the United States was still facing shortages of protective gear and other supplies.
With vaccinations underway, and as multiple new coronavirus variants begin to spread, we check in on the state of the pandemic.
The spread of other dangerous germs is surging — a result, in part, of the chaotic response to the pandemic.
President Biden said the amount of coronavirus vaccines reaching the states would rise next week and a deal was near to provide enough shots to vaccinate nearly all Americans by the end of summer.
President Biden now says he hopes to administer 1.5 million coronavirus vaccinations a day, a 50 percent increase from his initial target, and he extended and expanded virus-driven travel bans.
Short of a total lockdown, universal mask-wearing is the most effective way to slow the relentless rise in hospitalizations and deaths from Covid-19.
Firmly linking teen suicides to school closings is difficult, but rising mental health emergencies and suicide rates point to the toll the pandemic lockdown is taking.
Dr. Robert Redfield predicted the “worst is yet to come” with the coronavirus and expressed frustration with the politicization of mask-wearing and mitigation efforts.
Facing looming shortages and rising infections, the president-elect promised mobile vaccination sites, National Guard troops and a federal push to increase vaccine production.
Punitive efforts to ensure strict adherence to complicated eligibility rules endangers people who could be protected.
New Jersey is one of only two states that has included smoking among the high-risk medical conditions that make people eligible for the Covid-19 vaccine.
The more contagious version, first identified in Britain, is expected to spread widely and lead to further strains on an already overburdened health care system.
Vast racial health disparities are not accidental and can be fixed, says Dr. Marcella Nunez-Smith, head of Biden’s Covid-19 Health Equity Task Force.
Across states and schools, medical students’ access to the coronavirus vaccine has varied widely, creating some confusion and stress.
A Florida physician developed an unusual blood disorder shortly after he received the Pfizer vaccine. It is not yet known if the shot is linked to the illness.
Health experts double down on their advice for slowing the spread of the coronavirus.