180 deaths following COVID-19 vaccination reported in India

When deaths after vaccination are assessed on a weekly basis, more deaths are seen in the first week than two-four weeks. Of the 124 deaths that have been categorised, 111 deaths have been in the first week (nearly 16 deaths per day) but only 11 deaths (0.5 deaths per day) in the next three weeks. … Continue reading 180 deaths following COVID-19 vaccination reported in India

Will adenovirus antibodies reduce the efficacy of vector vaccines?

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.