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Medical Bulletin 17/November/2022

Published On 2022-11-17T17:00:28+05:30  |  Updated On 17 Nov 2022 11:30 AM GMT
Medical Bulletin 17/November/2022

Overview

Here are the top medical news for the day:

New nasal vaccine strategy could improve COVID-19 protection

Currently many vaccines against SARS-CoV-2 have substantially been found to reduce mortality and severe progression of the disease, but protection against infection is less effective. Vaccinated individuals are still catching COVID-19 and can spread the infection, so breakthrough infections are still occurring.

Researchers from the Centenary Institute and the University of Sydney have developed a new nasal vaccination strategy that induces potent lung immunity and protection against the SARS-CoV-2 coronavirus.

Reference:

Mucosal TLR2-activating protein-based vaccination induces potent pulmonary immunity and protection against SARS-CoV-2 in mice. DOI:https://www.nature.com/articles/s41467-022-34297-3.


Flu shots can protect patients with heart failure from death

The flu has long been associated with an increased risk of life-threatening cardiovascular events, and people with heart failure are already vulnerable to poor health outcomes.

An international study led by McMaster University researchers and published in The Lancet Global Health has found that influenza vaccines greatly reduce both pneumonia and cardiovascular complications in people with heart failure. The study is the first clinical trial of the flu vaccine's effectiveness in patients with heart failure.

Reference:

Flu shots can protect patients with heart failure from death; JOURNAL: The Lancet Global Health.


Keeping indoor humidity levels at a "sweet spot" may reduce spread of COVID-19

The term relative humidity is the amount of moisture in the air compared to the total moisture the air can hold at a given temperature before saturating and forming condensation.

In a study appearing in the Journal of the Royal Society Interface, it reports that maintaining an indoor relative humidity between 40 and 60 percent is associated with relatively lower rates of Covid-19 infections and deaths, while indoor conditions outside this range are associated with worse Covid-19 outcomes. To put this into perspective, most people are comfortable between 30 and 50 percent relative humidity, and an airplane cabin is at around 20 percent relative humidity.

Reference:

Keeping indoor humidity levels at a "sweet spot" may reduce spread of COVID-19; MASSACHUSETTS INSTITUTE OF TECHNOLOGY, Journal of The Royal Society Interface.

Speakers

Dr. Nandita Mohan

BDS, MDS( Pedodontics and Preventive Dentistry)

Dr. Nandita Mohan is a practicing pediatric dentist with more than 5 years of clinical work experience. Along with this, she is equally interested in keeping herself up to date about the latest developments in the field of medicine and dentistry which is the driving force for her to be in association with Medical Dialogues. She also has her name attached with many publications; both national and international. She has pursued her BDS from Rajiv Gandhi University of Health Sciences, Bangalore and later went to enter her dream specialty (MDS) in the Department of Pedodontics and Preventive Dentistry from Pt. B.D. Sharma University of Health Sciences. Through all the years of experience, her core interest in learning something new has never stopped. She can be contacted at editorial@medicaldialogues.in. Contact no. 011-43720751
nasal vaccine COVID 19 COVID 19 protection covid coronavirus SARSCoV2 vaccine immunity lung immunity Flu Flu shots patient heart heart failure death cardiovascular events influenza vaccines cardio Journal The Lancet Global Health Journal of The Royal Society Interface humidity sweet spot moisture indoor humidity 
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