Millions Missing Voice,
https://www.itv.com/news/2021-06-03/covid-pfizer-vaccine-produces-low-level-of-antibodies-against-delta-variant-study-shows…
https://www.itv.com/news/2021-06-03/covid-pfizer-vaccine-produces-low-level-of-antibodies-against-delta-variant-study-shows…
Neutralising antibodies against South African and Indian found to be 1/6 that of normal, but significantly higher against wild…
SARS-CoV-2: Astrazeneca-Impfstoff erzeugt weniger Antikörper gegen Delta-Variante als mRNA-Vakzine Deutsches Ärzteblatt vom…
Las personas de mayor edad necesitarían una tercera dosis para protegerse contra la variante…