YouTube Link: CDC Explains New Covid Guidelines (1 minute)
Related blog post: Vaccination Reduces Risk of COVID-19 Associated MIS-C & New Quarantine Guidelines

YouTube Link: CDC Explains New Covid Guidelines (1 minute)
Related blog post: Vaccination Reduces Risk of COVID-19 Associated MIS-C & New Quarantine Guidelines

MMWR: Open Access: COVID-19 Vaccine Safety in Children Aged 5–11 Years — United States, November 3–December 19, 2021


From Discusssion:

My take: Cardiac complications related to COVID-19 appear to be much more likely than adverse cardiac events due to vaccination.
Related blog post: Vaccination Reduces Risk of COVID-19 Associated MIS-C & New Quarantine Guidelines
I am happy to say that this is the last nightcall that I will have this year!
Today, I’ve compiled some of my favorite posts from the past year. I started this blog a little more than 10 years ago. I am grateful for the encouragement/suggestions from many people to help make this blog better. Also, I want to wish everyone a Happy New Year.
GI:
IBD:
LIVER:
Nutrition:
Other Topics:

M Levy et al. JAMA. Published online December 20, 2021. doi:10.1001/jama.2021.23262. Open Access: Multisystem Inflammatory Syndrome in Children by COVID-19 Vaccination Status of Adolescents in France
Key findings:
My take: This study indicates that COCID-19 vaccination likely results in a marked decrease in the risk of MISC-C. This finding provides an additional reason favoring vaccination in adolescents in terms of risk-benefit calculation for immunization.

12/27/21: CDC Updates and Shortens Recommended Isolation and Quarantine Period for General Population



12/23/21: CDC Releases Emergency Guidance for Healthcare Facilities to Prepare for Potential Omicron Surge

And this, from NBC News:

This article shows that the booster shot lowers the risk of death by 90% compared to those who did not receive the booster shot in those 50 years of age or older. R Arbel et al. NEJM 2021; DOI: 10.1056/NEJMoa2115624. Open Access: BNT162b2 Vaccine Booster and Mortality Due to Covid-19
Key Findings:

This twitter thread from Ashish Jha provides insight into the current understanding of the Omicron variant.







Link: The Coronavirus Attacks Fat Tissue, Scientists Find (Study has not been published or peer-reviewed yet)

Link: Pfizer Says COVID Booster Offers Protection Against Omicron
J Ge et al. Gastroenterol 2021; 161: 1487-1501. Full text-open access: Outcomes of SARS-CoV-2 Infection in Patients With Chronic Liver Disease and Cirrhosis: A National COVID Cohort Collaborative Study
Key finding:
“In this study of approximately 221,000 nationally representative, diverse, and sex-balanced patients with CLD; we found SARS-CoV-2 infection in patients with cirrhosis was associated with 2.38 times mortality hazard, and the presence of cirrhosis among patients with CLD infected with SARS-CoV-2 was associated with 3.31 times mortality hazard”
Related blog post: Aspen Webinar 2021 Part 1 COVID-19 and the Liver
