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Astra Zeneca’s new vaccine results show 80% efficacy against COVID-19 even for those over 65. Of those who received the vaccine, none became seriously ill or died, according to this phase 3 study from the United States, Chile and Peru.
When the Astra Zeneca vaccine was approved at the end of January by the European Medicines Agency, EMA, these results were not available.
Since the studies had been conducted primarily in people up to 55 years of age, many countries at the time chose not to approve the vaccine for the elderly, including Sweden.
In this study, there are About 21,000 have received the vaccine and 11,000 the placebo, making 20 percent over 65, which likely means authorities may also approve the vaccine for the elderly in the future.
This study is also the first time that the Astra Zeneca vaccine has been tested in people at risk for underlying diseases such as diabetes, cardiovascular disease, and obesity. Even there, the results seem positive.
– The results complement the previous data and show that the Astra Zeneca vaccine is approximately 80 percent effective in people 65 years of age and older. The vaccine was also shown to have a comparable effect on different ethnicities. An independent vaccine safety committee that studied the data said there was no increased risk of blood diseases such as blood clots after receiving at least one dose of the vaccine, says Ali Harandi, director of a vaccine laboratory at the Academy. Sahlgrenska in Gothenburg.
Serious side effects They are rare, but through careful research, he believes these are also important results regarding the safety of the Astra Zeneca vaccine.
