… a single immunization of Ad26 vector-based vaccines for SARS-CoV-2 elicited robust
neutralizing antibody titres and provided complete or near-complete protection against SARS-CoV-…

… this vaccine in humans against SARS-CoV-2 variants of concern remains unclear. Here we
report humoral and cellular immune responses from 20 Ad26.COV2.S vaccinated individuals …

… In summary, our data demonstrate that a single immunization of Ad26-S.PP … -dose SARS-CoV-2
infection in hamsters. To our knowledge, vaccine protection against severe SARS-CoV-2 …

… This optimized Ad26 vector-based vaccine for SARS-CoV-2, termed Ad26.COV2.… Ad26-based
vaccine candidates, or with 10 10 vp of an Ad26 vector without gene insert as control (Ad26…

… The incidence rate of VITT/TTS seems to be higher for ChAdOx1 nCoV-19. … vaccinated with
Ad26.COV2.S, 3 compared to 1 per 50,000-100,000 people vaccinated with ChAdOx1 nCoV-…

… Moreover, the South African arm of the trial showed similar levels of efficacy despite the
emergence of the neutralization-resistant SARS-CoV-2 Beta variant. Vaccination with Ad26.…

… post initial vaccination), following a second dose for both of the mRNA-based vaccines, the
… reported in immunogenicity studies of the various vaccines with Ad26.COV2.S achieving 2–3 …

… of virus in vaccinated macaques after B.1.351 challenge. These data demonstrate that
Ad26.… Our findings have important implications for vaccine control of SARS-CoV-2 variants of …

… immunization with an adenovirus serotype 26 (Ad26)-vector-based vaccine expressing
an optimized SARS-CoV-2 spike (Ad26.… S) protected rhesus macaques against SARS-CoV-2 …

… We did a test-negative, case-control study to evaluate the effectiveness of four vaccines (CoronaVac,
ChAdOx1 nCoV-19, Ad26.COV2.S, and BNT162b2) in individuals with previous …