The reason for the adjusted advice is the contagious Delta variant of the virus. According to the StiKo, a combination of an AstraZeneca shot with a Biontech/Pfizer or Moderna shot protects against infection better than two AstraZeneca shots. After only 1 injection, the protection against the Delta variant is clearly less, according to the StiKo. With AstraZeneca, the second shot is only given after about 12 weeks, which means that people are only partially protected for longer.
Two AstraZeneca injections protect just as well as with the other virus variants against a severe course of disease. Read more at Tagesspiegel
The German vaccine developer Curevac had to announce this week that the corona vaccine developed by this company does not protect well enough to be approved. The vaccine protects 53 percent against Covid19 in the 18 to 60 age group, according to the study. Curevac continues to try to get an admission, because the protection against a heavy course of a corona infection is good. Last year, the German government bought 23% of the shares of Curevac for 300 million euros. Read more at Zeit Online
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