The British government has released an analysis showing that a single dose of two vaccines, including one developed by Pfizer and the German company Biontech, is more than 80% effective in preventing hospitalization for the elderly aged 80 and over. ..
In the United Kingdom, elderly and healthcare professionals have been given priority in receiving vaccines developed by Pfizer and Biontech and those developed by AstraZeneca and the University of Oxford since December last year.
The English health authorities in London analyzed the increase and decrease in cases of hospitalization and deaths by the 21st of last month, and released the results on the 1st.
According to it, three or four weeks after the first vaccination, both vaccines were more than 80% effective in preventing hospitalization for the elderly over 80 years old.
In addition, the vaccine developed by Pfizer and others is said to have reduced deaths from the new coronavirus by 83% in this age group.
On the other hand, the vaccines developed by AstraZeneca and others did not have sufficient data because the inoculation started later than that of Pfizer.
In addition, the effect of suppressing the symptoms of the new coronavirus in people over 70 years old was 57% to 61% with vaccines such as Pfizer and 60% to 73% with vaccines such as AstraZeneca 4 weeks after the first inoculation. I will.
Health officials said at a press conference that two doses were needed to increase and sustain the vaccine's effectiveness.
Health officials say the two vaccines are highly effective in the elderly, but say they do not know how much they will control the spread of the infection and are calling for continued thorough control of the infection. ..