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.
Scientists have developed dozens of Covid vaccines at record speed. Here are the leading products.
With the coronavirus at a peak in the United States, we look at the latest in the fight against the disease.
It’s good news, but experts cautioned that the new variants from Britain and South Africa also carry other potentially dangerous mutations that have not yet been investigated.
The N.I.H. and Moderna are examining whether doses of Moderna’s coronavirus vaccine can be halved to double the supply, while scientists look for other ways to extend availability.
Experts advising the World Health Organization have recommended that the Pfizer-BioNTech Covid-19 vaccine be administered as recommended by its manufacturer, adding that countries with limited supplies of the vaccine could delay the second dose.
Impactado gravemente por el coronavirus, el país ha logrado distribuir inmunizaciones a más del diez por ciento de su población, en un proceso que mejora la imagen del gobierno de Netanyahu.
¿Deben retrasarse las segundas dosis? ¿Los adultos deberían recibir medias dosis? Los científicos reflexionan sobre diversos métodos para lograr que más personas reciban las vacunas.
Los expertos aseguran que la demora indica que el cuerpo está haciendo su trabajo y que los casos de COVID-19 en personas vacunadas con una sola dosis no son preocupantes.
Should second doses be delayed? Should most adults receive half-doses? Scientists are pondering ways to get more shots into more arms.
Badly hit by the coronavirus, Israel has distributed the first of two vaccine doses to more than 10 percent of its population. Prime Minister Netanyahu is leading the charge, bolstering his own battered image along the way.
Reports of Covid-19 cases that appeared shortly after a single shot of a two-dose vaccine shouldn’t cause concern.
This year, technology firms big and small stepped up to help with the Covid-19 pandemic and other thorny challenges.
Three weeks from taking office, Joe Biden called vaccinating Americans “the greatest operational challenge we’ve ever faced as a nation” and offered a bleak assessment of the months ahead.
Here is what some of the first Americans to be vaccinated against Covid-19 are saying about how they felt afterward, with some side effects but no second thoughts.
Polls show that pervasive skepticism is melting, partly because of the high efficacy rates in trials and the images of real people getting the shot.
The patient, who has a severe shellfish allergy, recovered quickly with treatment. Until now, reports of severe reactions had been linked to the Pfizer vaccine.
The company agreed to deliver the additional doses of its coronavirus vaccine by the end of July, helping address a looming shortage.
The company could provide at least tens of millions of additional doses of a coronavirus vaccine under an agreement that would give it better access to the supplies it needs to expand manufacturing.
The start of a mass coronavirus vaccination campaign at U.S. nursing homes has brought hope to many families. But it may be a while before restrictions loosen. Here are answers to common questions.
In a landmark collective undertaking, the bloc is poised to start distributing shots to all 27 member nations and their 410 million citizens.
The recommendation was a compromise aimed at getting the coronavirus vaccine to the most vulnerable of two high-risk groups.
Companies, unions and industry trade associations are lobbying governments to include their workers in the next round of virus vaccines.
The Food and Drug Administration authorized a second coronavirus vaccine for emergency use, clearing the way for millions more Americans to be immunized next week.
A deep distrust of the government is fueling vaccine hesitancy among Republicans, who are more likely than Democrats to resist being inoculated against Covid-19.
But the price difference is negligible considering the enormous economic consequences of the pandemic.
The smaller number of expected doses, which appeared to be the result of a scheduling hiccup, reignited tensions between the federal government and Pfizer over vaccine supply.
An advisory group’s recommendation will mean millions more Americans can be inoculated, extending protection against Covid beyond big urban areas into rural and suburban regions.
See where the federal government is sending 5.9 million doses of the Pfizer vaccine, enough to inoculate 2.9 million people against the coronavirus.
Walgreens and CVS staff will soon begin vaccinations at tens of thousands of long-term care facilities. Some staff and residents are wary, and there are thorny issues of consent.
The Trump administration is discussing helping the drug maker get the raw materials it would need to produce tens of millions of extra doses of its Covid-19 vaccine in the spring.
La vacuna de Moderna tiene altos índices de protección contra el coronavirus. ¿Cómo es distinta de la vacuna de Pfizer-BioNTech?
La revisión positiva probablemente asegure que la Administración de Alimentos y Medicamentos (FDA, por su sigla en inglés) concederá esta semana la autorización de emergencia para una segunda vacuna contra el coronavirus para millones de estadounidenses.
Smaller companies that are key to the cold storage and distribution of Covid-19 vaccines are seeing a flurry of new investments.
Los trabajadores de la salud ya tienen acceso a las vacunas y las dosis estarán disponibles para el resto de nosotros en la primavera. Estas son algunas respuestas a tus preguntas.
The vaccine campaign began on the same day that the nation surpassed 300,000 deaths, more than any other country.
The New York Times would like to hear from people in the U.S. who received a vaccination against Covid-19, or hoped to get one.
The two leading coronavirus vaccines seemed to work well in elderly trial volunteers. “I just can’t understand why people are afraid,” one 95-year-old said.
Who gets its first? Is it safe? And just how soon will life return to normal? As Canada vaccinates its first citizens, here are answers to some common questions.
Vaccines are rolling out to health workers now and will reach the arms of the rest of us by spring. Here’s what you need to know.
Vaccinations are scheduled to take place on Monday, according to one hospital system.
An initial shipment of about 2.9 million doses of Pfizer’s coronavirus vaccine will be sent around the United States over the next week. So what happens next?
The first of nearly three million doses were sent across the country, the start of the most ambitious vaccination campaign in the nation’s history.
Workers at a Pfizer plant in Kalamazoo, Mich., packed boxes of the Pfizer-BioNTech vaccine on Sunday morning and loaded them onto trucks. Nearly 3 million doses are expected to reach all 50 states this week.
Christmas came early for Airbnb and DoorDash. But Facebook is on the naughty list.
The advisory panel of experts endorsed the vaccine and will soon issue specific guidance for pregnant and lactating women and for people who have had severe allergic reactions to other shots.
Gen. Gustave F. Perna, chief officer of Operation Warp Speed, said boxes of the Pfizer-BioNTech vaccine were being readied for shipment with an emphasis on quality control.
Within days, all three countries could be giving the Pfizer-BioNTech vaccine, but they have varying strategies and challenges. The U.S. plan, working through the states, is the least centralized.
Although no coronavirus vaccine has been studied in these women, many scientists believe the benefits will outweigh any potential risks.