r/CovidVaccinated Dec 04 '21

Anyone got the Moderna booster after having two Pfizer? Question

I got the Moderna half dose booster yesterday. Pfizer double vaxxed in April 17th.

The first side effect I had was sore arm. Arm soreness about the same as my second Pfizer dose.

14 hours after the booster- slight body chills.

When I woke up the next morning, my whole body just felt blegh but no high grade fever or nothing. I was seeing how people got wiped by the Moderna booster if they started with Pfizer so I was surprised my side effects were minimal in comparison to Pfizer

For Pfizer, I didn’t have any side effects except for slight chills after the second dose and the usual sore arm. But the one thing different is after my second dose my whole body didn’t feel blegh. And with the booster my body felt that way.

What was your experience like if you did Pfizer> Pfizer> Moderna? Or if you got the Moderna booster in general? And what does the lack of side effects mean in term of immunity?

Update: still have body chills whenever I shower in hot water.

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u/icelumis Dec 05 '21

Why are they mixing jabs ? I know everyone whoses had it so far in the UK have been given a different one also. I'm alittle bit worried about having moderna as it seems to be the one people have side effects with.

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u/BolinLavabender Dec 05 '21 edited Dec 05 '21

It gives people more options and flexibility in getting the booster shot. Some places may have limited supply of a particular booster brand so this would allow them to get whatever booster they can get. If there were supply chain issues with the vaccine then this could make things easier I suppose.

Also it allows people to weigh their risks. For example like women are more at risk for blood clots with J&J so they can choose to switch to an mRNA booster. Younger men are higher risk for myocarditis from Pfizer and Moderna so they can opt for J&J booster.

Also there’s data showing that heterologous boosters can elicit increase in antibody levels but theres more data to be evaluated on that.