NEW: 2 brand new studies give a fresh look at vaccine performance vs Delta.
The bottom line is run don’t walk to get vaccinated if you’re eligible. There’s a 29x reduction in hospitalizations— even against Delta.
And a couple more things.1/ cdc.gov/mmwr/index.html
The bottom line is run don’t walk to get vaccinated if you’re eligible. There’s a 29x reduction in hospitalizations— even against Delta.
And a couple more things.1/ cdc.gov/mmwr/index.html
The vaccine effectiveness against Delta slipped from 90% protection against any infection to 66% with Delta.
This also corresponded with a longer time since vaccination which seemed to be a small part of the impact.2/
This also corresponded with a longer time since vaccination which seemed to be a small part of the impact.2/
Combing results from both studies showed that at 66% effectiveness, it corresponded to a 5x likely reduction in cases from the vaccine. Reason alone to take it.
But the 5x was minor compared to the 29x reduction in hospitalizations with Delta. 3/
But the 5x was minor compared to the 29x reduction in hospitalizations with Delta. 3/
The vast majority of cases that occurred among both vaccinated & unvaccinated people were symptomatic. People got sick. Not fun.
Even a 2/3 effectiveness & low hospitalizations means plenty of vaccinated people are getting sick. Not a good surprise if you’ve been vaxxed. 4/
Even a 2/3 effectiveness & low hospitalizations means plenty of vaccinated people are getting sick. Not a good surprise if you’ve been vaxxed. 4/
This is one of the two reasons why masks are recommended indoors while Delta blows through. Avoid getting sick.
The other of course is to avoid spreading it. 5/
The other of course is to avoid spreading it. 5/
This corresponds with our current understanding of the vaccines & Delta.
Delta brings on a ton of virus (1000 fold) & comes at you fast with short incubation periods. When the vaccines kick in fast, they can prevent even symptoms. 6/
Delta brings on a ton of virus (1000 fold) & comes at you fast with short incubation periods. When the vaccines kick in fast, they can prevent even symptoms. 6/
The vaccines act fastest with high levels of antibodies in the system— why a boost has been recommended & are likely to curtail many of the cases.
Even when the vaccines don’t act fast the memory B cells & T cells respond & beat back the virus. Likely why hosps are rare. 7/
Even when the vaccines don’t act fast the memory B cells & T cells respond & beat back the virus. Likely why hosps are rare. 7/
The memory b & t cell responses have been prompted by the vaccines (at least the mRNA vaccines— others work differently). There is a belief that a booster is likely to help with antibodies, b and T cells. 8/
Vaccines are 66% vs Delta infections, 97% against Delta hospitalization, even better against getting ventilated.
Science still beats viral evolution soundly. But without more rapid vaccination, the virus still triumphs.
Triumphs through replication. 9/
Science still beats viral evolution soundly. But without more rapid vaccination, the virus still triumphs.
Triumphs through replication. 9/
And if you cut down replication, you can cut down on mutation.
These studies show again that we mask to avoid sickness & transmissibility. But only if we vaccinate (the globe) do we save lives & drive out Delta. /end
These studies show again that we mask to avoid sickness & transmissibility. But only if we vaccinate (the globe) do we save lives & drive out Delta. /end
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