Rates of COVID-19 Cases and Deaths by Vaccination Status per the CDC:
Unvaccinated: 2,054 cases per 100k
Vaccinated: 824 cases per 100k
Boosted: 642 cases per 100k

Unvaccinated: 12.0 deaths per 100k
Vaccinated: 1.8 deaths per 100k
Boosted: 0.4 deaths per 100k
Source for information above can be found here:
covid.cdc.gov/covid-data-tra…
Data posted on February 18th, 2022. You can also find breakdowns by age group and vaccine product.
Summary:
•People who were unvaccinated had a greater risk of testing positive for COVID-19 and a greater risk of dying from COVID-19 than people who were fully vaccinated
•Unvaccinated people in all age groups had higher case and death rates than fully vaccinated people
in the same age groups
•Case and death rates for people fully vaccinated with any of the three vaccine types (Moderna, Pfizer-BioNTech, Johnson & Johnson’s Janssen) were much lower than for unvaccinated people
•People who were fully vaccinated with an additional or booster dose
had lower case rates compared with those without an additional or booster dose
•Both of these groups had much lower risk of testing positive for COVID-19 and a lower risk of dying from COVID-19 compared with people who were unvaccinated
NOTE: Partially vaccinated individuals are not included in this analysis.
This data has been UPDATED and posted on February 18th, 2022. Compared to vaccinated individuals, unvaccinated individuals had a 3.2X HIGHER risk of testing positive for COVID-19 in December 2021 and January 2022 and a 41X HIGHER risk of dying from COVID-19 in December 2021.

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More from @sailorrooscout

Feb 22
Published in Nature. Peer-reviewed. Large sample size. Sound methodology. Study out of Kaiser Permanente found 3-dose VE of Moderna’s COVID-19 vaccine against hospitalization with Delta OR Omicron was >99% across the ENTIRE study population with NO significant waning over time.🧵
Source for the information above:
nature.com/articles/s4159…
Before we get started. YES, this study has AGE DATA AND BREAKDOWN OF COMORBIDITIES. Note this study was funded by Moderna BUT Kaiser Permanente has amazingly solid and pretty clean data when it comes to the vaccination status of its members so keep that in mind.
Read 13 tweets
Feb 21
Just a friendly reminder. Despite what you might hear, there has yet to be a variant that isn’t susceptible to the vaccines.
The term infection refers to the virus entering and being detectable in your system regardless of whether OR NOT it makes you sick, whereas the term illness refers to the virus entering, being detectable in your system AND making you sick. It it important not to conflate the two.
In regards to BA.2. Per @Tuliodna, WHO stated:
•There’s NO evidence of a difference in severity between BA.2 & BA.1 (BOTH are Omicron)
•BA.2 is more transmissible than BA.1 BUT the gap is smaller than between Omicron & Delta
•Vaccines are EQUALLY effective against BA.1 & BA.2
Read 14 tweets
Feb 18
If you needed more proof that vaccines work, Switzerland is reporting COVID-19 deaths by vaccination/booster status. Image
Updated for the week of January 30th, 2022. Source for information above:
ourworldindata.org/grapher/switze…
ourworldindata.org/covid-deaths-b…
H/T: Edouard Mathieu (@redouad) & Max Roser (@MaxCRoser)
NOTE: this is PER 100,000 people.
Read 10 tweets
Feb 16
Them: Is there any other vaccine in history that required three doses in a year and yet still didn’t prevent transmission of the virus it was meant to protect against?

Me: Your childhood vaccinations would like a word with you.
But wait, there’s more. Reminder that your TDap: Tetanus-Diphtheria-Pertussis (every 10 years) are technically a repetitive vaccine series or rather boosters during adulthood. In addition, for HPV, the recommended schedule is two doses given 6-12 months apart.
The term infection refers to the virus entering and being detectable in your system regardless of whether OR NOT it makes you sick, whereas the term illness refers to the virus entering, being detectable in your system AND making you sick. It it important not to conflate the two.
Read 14 tweets
Feb 15
A recent study out of South Africa 🇿🇦 shows:

Unvaccinated + Omicron = Immunity to Omicron ONLY

Vaccinated + Omicron = Immunity to Omicron, Delta, Beta, C.1.2, AND D614G!
Source for information above:
medrxiv.org/content/10.110…
Researchers found Omicron-triggered neutralization is NOT extensively cross-reactive to VOCs, with 20 to 43-fold reductions in titer. In contrast, vaccination followed by “breakthrough” Omicron infection improved cross-neutralization of VOCs, with titers EXCEEDING 1:2900.
Read 9 tweets
Feb 13
Omicron meet Portugal, one of the world’s most vaccinated nations. Portugal has vaccinated ~90% of its total population. 🇵🇹
Don’t tell me vaccines don’t work.
NOTE: This graphic has now been updated to reflect data as of February 12th, 2022. ourworldindata.org/coronavirus-da…
Omicron hit Portugal in November, leading to an increase in cases. “Vaccination has been effective against it. That's why we have a much lower number of hospitalisations, fewer people in ICU and deaths.” -Prime Minister Antonio Costa reuters.com/business/healt…
Read 10 tweets

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