In Maui, France and Spain, travelers should pack their booster record - The Washington Post
Effectiveness of mRNA vaccine boosters against infection with the SARS-CoV-2 omicron (B.1.1.529) variant in Spain: a nationwide cohort study - The Lancet Infectious Diseases
Coronavirus in Spain: Guide to the Covid-19 booster shot in Spain: Who is eligible and when will it be available? | Society | EL PAÍS English
Pfizer COVID-19 vaccine booster shots approved for Spain and the European Union - Olive Press News Spain
Immunisation schedule of the Pediatric Spanish Association: 2021 recommendations | Anales de Pediatría
Covid booster shot: Moderna says vaccine generates promising immune response against variants
Spain to approve fourth booster shot for autumn – EURACTIV.com
A survey of COVID-19 vaccine acceptance across 23 countries in 2022 | Nature Medicine
UPDATE: What you need to know about getting a Covid-19 booster shot in Spain - The Local
Spain approves COVID booster shot for over 70s | Reuters
15 million people in Spain over 40 will receive a booster shot - Alcoy Today
La Moncloa. 11/11/2022. More than 60% of people aged over 80 years have a second booster dose of COVID-19 [Government/News]
How to choose a COVID-19 vaccine booster shot
Catalan News | Booster shots approved for people 50 and older
As COVID cases rise, Spain approves booster shots for over 40s | Reuters
EU kicks off debate on need for booster shots to travel | Reuters
Vaccination: A third of 40-49 age group in Spain have received Covid-19 booster shots | Society | EL PAÍS English
UPDATE: Spain COVID travel restrictions lifted - Voyager School Travel
Spain Plans Booster Shots for Health Workers, Elderly as Covid Cases Rise - Bloomberg
Travel to Spain: Boosters are part of new Covid travel restrictions: Travel Weekly
Spain authorises booster COVID-19 shots for severely immunocompromised people | Reuters
Spain Extends Travel Restrictions, Requires Booster Jabs for Those Vaccinated Before May 2021
Arranca la campaña de vacunación de refuerzo frente a la covid en Europa ante el aumento de casos | Euronews
Covid-19: Spain to offer Pfizer or Moderna booster shot to recipients of single-dose Janssen vaccine | Society | EL PAÍS English
Italy: COVID-19 vaccine second booster rate by age 2023 | Statista