A Science and Technology Blog
While it is unclear if pre-existing antibodies to adenovirus vector will affect vaccine efficacy, it is possible that repeated vaccination using adenovirus-based vaccine either as a booster or as annual vaccination, if the need arises, will result in reduced efficacy due to vector immunity.
The results were posted in a preprint server. Preprints are yet to be peer-reviewed and published in scientific journals. No studies were carried out to examine the efficacy of the…
The data in the preprint show that vaccine efficacy was high when the interval between the two doses was two months and continued to increase with a longer dose interval.…
On the say day the release was sent out announcing the partnership with AstraZeneca, Oxford University also tweeted saying that the vaccine will be manufactured and distributed “on a not-for-profit basis…
The phase-3 clinical trial of Bharat Biotech’s COVID-19 vaccine, Covaxin, by a private hospital in the Bhopal-based Peoples College of Medical Sciences & Research Centre appears to suffer from serious…
Transparency in the approval process is vital for gaining the trust of people so that they don’t hesitate to take the vaccine. If there is already some degree of anxiety…
Since vaccine shortage is expected to last at least for a few months, it may seem appealing to delay or avoid vaccinating those who have been naturally infected. But does…
With the virus running amok in the country and vaccines in short-supply, the U.K. is attempting an untested strategy of delaying the second dose of both AstraZeneca and Pfizer vaccine even in the absence of data from large trials. The intent is to rapidly but partially protect more individuals who are at risk.
