Vials with Pfizer-BioNTech and Moderna coronavirus disease (COVID-19) vaccine labels are seen in this illustration picture taken March 19, 2021. | Dado Ruvic | Reuters
Science

Vacuna anticovid de Moderna supera a Pfizer, según una nueva investigación en Estados Unidos

A health care worker prepares a syringe with the Pfizer-BioNTech COVID-19 vaccine at a vaccination clinic in Arleta, U.S., Aug. 23, 2021. (EPA Photo)
Politics

La Casa Blanca afirma que sus órdenes de vacunación sirven para impulsar la economía

A pharmacy technician loads a syringe with Pfizer’s COVID-19 vaccine, Tuesday, March 2, 2021, at a mass vaccination site at the Portland Expo in Portland, Maine. (AP Photo/Robert F. Bukaty)
Science

Mayoría de la gente no necesita la vacuna de refuerzo contra el coronavirus, aseguran expertos

Photo: Sergei Malgavko / TASS
World

¿Qué pueden hacer las empresas si los trabajadores no se vacunan contra la COVID-19?

A patient is shown sitting in a hallway at the Houston Methodist The Woodlands Hospital on August 18, 2021 in Houston, Texas. (Photo by Brandon Bell/Getty Images)
United States

Estados Unidos enfrenta escasez de oxígeno ante repunte de COVID-19

A health care worker prepares a dose of the Pfizer-BioNTech COVID-19 vaccine last week at West Philadelphia High School in Philadelphia. HANNAH BEIER / BLOOMBERG VIA GETTY IMAGES
United States

Estados Unidos podría tener la pandemia bajo control para la primavera de 2022

Vista de viales de la vacuna de Pfizer-BioNTech contra el covid-19 en un centro de vacunación de Santiago, el 12 de julio de 2021 JAVIER TORRES AFP
United States

Pfizer presenta datos para solicitar una tercera dosis para la población general

Dr. Anthony Fauci, Director of the National Institute of Allergy and Infectious Diseases, speaks with members of media at Abyssinian Baptist Church on June 6, 2021 in New York City. Jeenah Moon/Getty Images/AFP
United States

Estados Unidos ve “inevitable” una tercera dosis de la vacuna contra la COVID-19

Mike Pence speaks in the Oval Office of the White House on May 6, 2020. | Credit: GETTY IMAGES
Politics

Vicepresidente Pence no se pondrá en cuarentena pese a que su portavoz se contagió de COVID-19

FOSTER CITY, CALIFORNIA – MARCH 24: Biotechnology company Gilead is photographed at the company headquarters in Foster City, Calif., Wednesday, March 25, 2020. (Karl Mondon/Bay Area News Group)
United States

Estados Unidos optimista ante tratamiento de COVID-19 con polémico antiviral Remdesivir

Vice President Mike Pence speaks during a coronavirus task force briefing at the White House, Sunday, April 19, 2020, in Washington. (AP Photo/Patrick Semansky)
Politics

Vicepresidente Pence asegura que “nadie” quiere más la reapertura de EE.UU. que Trump

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