![Over 21% of 'thirty-somethings' are not vaccinated against COVID-19 in Costa Blanca and Valencia areas of Spain](https://www.theolivepress.es/wp-content/uploads/2021/05/Study-in-Spain-shows-mixing-Pfizer-and-AstraZeneca-vaccines-produces-better-COVID-protection-than-two-AstraZeneca-doses-490x327.jpg)
Spain health study shows Pfizer and AstraZeneca vaccine mix gives better COVID protection than two AstraZeneca doses
SPAIN’S Health Ministry is set to allow Pfizer vaccinations for around two million ‘essential’ workers like police, teachers, and fire-fighters who have got just one