Retrieved 7 July 2021. Earlier in the summer plans were drawn up for millions to get an extra vaccination in the winter, but now the numbers could be far lower, sources revealed.
NextRetrieved 15 May 2021.
Orang dengan dan orang-orang yang belum mendapatkan vaksin COVID-19 juga berisiko tinggi terinfeksi COVID-19 varian Delta.
NextRetrieved 5 March 2021.
This last became the dominant form of the virus in Columbus in late December 2020 and January and appears to have evolved independently of other variants.
L452R is a relevant mutation in this strain that enhances ACE2 receptor binding ability and can reduce vaccine-stimulated antibodies from attaching to this altered spike protein.
Sloboden Pecat in Macedonian. As of July 2021, the study is ongoing. In May 2021, residents of two tower blocks in , , were quarantined after a woman in the building tested positive for the Delta variant.
Retrieved 4 July 2021.
For example, as of 18 May, Pakistan had not reported any cases, but authorities noted that 15% of COVID-19 samples in the country were of an "unknown variant"; they could not say if it was B.