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Severe COVID-19 May Cause Long-Term Immune System Changes


30 Nov 2023

What you need to know In a small study supported by the National Institute of Allergy and Infectious Diseases (NIAID), severe cases of COVID-19 were shown to cause long-lasting changes to the immune system. Researchers found that severe cases of COVID-19 can change which genes are turned on or off in certain stem cells. The study focused on stem cells that produce white blood cells, a part of the immune system. The stem cells of people who recovered from severe COVID-19 produced more white blood cells — which then produced more inflammatory signals — than the cells of healthy counterparts.


Severe COVID-19 May Cause Long-Term Immune System Changes


30 Nov 2023

What you need to know: In a small study supported by the National Institute of Allergy and Infectious Diseases (NIAID), severe cases of COVID-19 were shown to cause long-lasting changes to the immune system. Researchers found that severe cases of COVID-19 can change which genes are turned on or off in certain stem cells. The study focused on stem cells that produce white blood cells, a part of the immune system. The stem cells of people who recovered from severe COVID-19 produced more white blood cells — which then produced more inflammatory signals — than the cells of healthy counterparts.


SARS-CoV-2 infects coronary arteries, increases plaque inflammation


28 Sep 2023

NIH-funded research sheds light on the link between COVID-19 infection and increased risk of cardiovascular disease and stroke SARS-CoV-2, the virus that causes COVID-19, can directly infect the arteries of the heart and cause the fatty plaque inside arteries to become highly inflamed, increasing the risk of heart attack and stroke, according to a study funded by the National Institutes of Health. The findingsexternal link, published in the journal Nature Cardiovascular Research, may help explain why certain people who get COVID-19 have a greater chance of developing cardiovascular disease, or if they already have it, generate more heart-related complications.


Cold virus may set the stage for Long COVID


20 Sep 2023

At a Glance Prior infection with a common cold coronavirus may predispose some people to develop Long COVID. The findings identify a potential marker that could help identify people at high risk of developing Long COVID.


Genetic variant associated with absence of COVID-19 symptoms


09 Aug 2023

At least 20% of people infected with SARS-CoV-2, the virus that causes COVID-19, never showed symptoms. These asymptomatic infections could provide clues to how the virus can be quickly cleared from the body. Genetic factors may be involved. However, most studies of genetics and COVID-19 outcomes to date have focused on severe disease.




Articles


How the Novavax Vaccine Works


03 Feb 2021

The Maryland-based company Novavax has developed a protein-based coronavirus vaccine called NVX-CoV2373. The vaccine produced strikingly high levels of antibodies in early clinical trials.




Evaluation of Cloth Masks and Modified Procedure Masks as Personal Protective Equipment for the Public During the COVID-19 Pandemic


19 Jan 2021

Severe acute respiratory syndrome coronavirus 2 (SARS- CoV-2), the cause of coronavirus disease 2019 (COVID- 19), is a transmissible virus that infects the upper and lower respiratory tract, leading to a high viral titer in saliva and respiratory secretions.




COVID-19 as the Leading Cause of Death in the United States


12 Jan 2021

The current exponential increase in coronavirus dis- ease 2019 (COVID-19) is reaching a calamitous scale in the United States, potentially overwhelming the health care system and causing substantial loss of life.




Feds Authorize $22 Billion to Boost Vaccine Rollout


11 Jan 2021

The CDC will send $3 billion to the states to boost a lagging national COVID-19 vaccination program.




COVID-19 Immunity Could Last Longer Than 8 Months, Study Says


08 Jan 2021

Certain antibodies and memory cells likely last more than 8 months after someone has contracted the coronavirus, especially if they have a strong immune response to COVID-19, according to a new study published Wednesday in Science.




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