COVID FACT
Eight weeks is the ideal gap between the first and second Pfizer jabs for an optimum immune response, studies now suggest.
Health
en-gb
2021-07-25T07:00:00.0000000Z
2021-07-25T07:00:00.0000000Z
https://mailonline.pressreader.com/article/282574496103146
dmg media (UK)