Parallel vaccination against flu and corona

The Standing Vaccination Committee (STIKO) has been recommending parallel vaccination against corona and flu (influenza) since mid-September. Especially at the beginning of the vaccination campaign, parallel vaccination was discouraged in order to be able to better identify and analyze possible side effects of the corona vaccination. However, the combination of both vaccines is well tolerated and effective. A study from England confirms the STIKO recommendation.

The first studies deal with the simultaneous vaccination against  influenza  and SARS-CoV-2. The subjects receive both vaccinations on one day. A combination vaccine is also being tested.

Multiple vaccinations against flu and corona: how effective is it?

British experts analyzed the effectiveness and tolerability of multiple vaccinations against SARS-CoV-2 and influenza. A total of six vaccine combinations were tested. The results were published as a preprint – they speak for a good antibody response against SARS-CoV-2 and against influenza. Due to the new types of vaccine, scientists have so far recommended an interval of two weeks between the two vaccinations.

The study briefly explained:

  • The study includes a total of 679 subjects.
  • All have already received a first vaccination with AstraZeneca or BioNTech/Pfizer.
  • One group received the second vaccine dose at the same time as the flu vaccine.
  • In another group, the vaccination interval was three to four weeks.
  • Three different flu vaccines were tested.

Neither study participants nor scientists knew whether the subject received a placebo or the vaccine.

The results give hope that multiple vaccinations could be recommended in the future.

All six vaccine combinations were just as well tolerated as a simple corona vaccination. Vaccination reactions were mild to moderate and included:

There were also no differences in the antibody titer against the spike protein of SARS-CoV-2 between the two groups. 97 percent of the participants stated that they had no qualms about carrying out multiple vaccinations in the future – the first results show a high level of effectiveness and tolerability.


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