Website Survey: How did the Covid-19 booster affect you?

December 9, 2021


We have a new poll to find out how the booster vaccine affected the ME/CFS community. Details are below, together with the poll for you to complete.

To clarify the different reactions to the vaccines see below:

NO REACTION – No vaccine side-effects or exacerbation of ME/CFS symptoms

MILD REACTION – Vaccine related side-effects (eg sore arm, fatigue, muscle pain, headaches, fever, chills, nausea) and/or a mild exacerbation of ME/CFS symptoms lasting for up to 48 hours after vaccination but not causing any significant or prolonged deterioration in overall health

MODERATE REACTION – Vaccine related side-effects and/or exacerbation of ME/CFS symptoms and causing a more significant deterioration in overall health for up to 5 days

SEVERE REACTION – Vaccine related side-effects and/or an exacerbation of ME/CFS symptoms causing a more severe and/or persisting deterioration in overall health 

NB: A severe reaction or unusual adverse effects, should be reported on the Yellow Card reporting system

If you have had a Covid-19 booster how did it affect you....

  • Pfizer (Comirnaty) - no adverse reaction (11%)
  • Pfizer (Comirnaty) - mild reaction (25%)
  • Pfizer (Comirnaty) - moderate reaction (16%)
  • Pfizer (Comirnaty) - severe reaction (7%)
  • Moderna (Spikevax) - no adverse reaction (2%)
  • Moderna (Spikevax) - mild reaction (11%)
  • Moderna (Spikevax) - moderate reaction (10%)
  • Moderna (Spikevax) - severe reaction (4%)
  • Waiting to have a booster (3%)
  • Not yet decided (2%)
  • Not having a booster (4%)
  • My ME has improved after Pfizer (Comirnaty) (1%)
  • My ME has improved after Moderna (Spikevax) (0%)
  • My ME has improved after Astrazeneca (0%)
  • Astrazeneca - no adverse reaction (1%)
  • Astrazeneca - mild reaction (1%)
  • Astrazeneca - moderate reaction (1%)
  • Astrazeneca - severe reaction (1%)
  • Total Voters: 1,563

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More information from Dr Shepherd about Omicron and the Covid-19 Boosters below:

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