Dr Jenny Harries 'worried' over winter uncertainty amid viral infections – 'tools' to cope


Looking at the flu strains circulating in the Southern Hemisphere, scientists can then combine four different flu strains into one jab.

While this method does not guarantee which flu strains will be circulating in England, it can be a good indication, thereby enhancing vaccine efficacy.

Although the flu jab can not completely rule out the chance of an infection, it is very good at preventing severe disease.

In regards to Covid, the delta variant – the most prominent strain in the last surge of infections – is “very susceptible” to the coronavirus vaccines.


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