Moderna is a new vaccine that was released this year. It has been shown to be far more effective than Pfizer’s vaccine, but there are still many unanswered questions about the long-term effects of Moderna. This blog post will discuss 4 charts which show why people who got the Moderna vaccine may not need boosters as much as those who got the Pfizer vaccine.
The 1st chart shows the attack rates of both vaccines. As you can see, Moderna has superior durability and effectiveness to Pfizer’s vaccine:
The 2nd chart shows how frequently each year that people need boosters for either vaccine. If you look at the X axis, it says “vaccine efficacy after last dose”. So what that means is, if you are vaccinated with the Pfizer vaccine, how often would you need a booster every year? As you can see on the Y axis, it’s around 70%. So let’s say you get vaccinated today. You’d have to get another vaccine next year because your immunity will expire.
Now look at the X axis for Moderna. It says “vaccine efficacy after 2 doses”. What that means is, if you are vaccinated with the Pfizer vaccine, you only need a booster every two years. So this is much more effective than the Pfizer vaccine .
Now, look at the Y axis where it says “patient lives saved per 100k people”. It’s around 3.000 with the Pfizer, but you can see that Moderna is much more effective at saving lives:
The 3rd chart shows how frequently people need boosters with either vaccine if they get them when they’re older than 50 or younger than 24 months. With the Pfizer vaccine, it says “no booster required”. But with Moderna, if you get it when you’re older than 50, you need another one every 2 years. And if you get it when you’re younger than 24 months old, you will need boosters regularly until your 5th birthday; then they recommend that the vaccine is only administered every 2 years after that.
The 4th chart shows how frequently people need boosters with either vaccine if they get it at age 24 months or older. If you get Pfizer, it says “no booster required”. But if you get Moderna, again it’s every 2 years.
So what does this mean? It means that people who received Moderna are less likely to need boosters than those who received the Pfizer vaccine. However, we don’t know how this affects complications yet.
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