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Bivalent boosters provide better protection against severe COVID-19


08 Feb 2023

To date, more than 80% of people in the U.S. have received at least one dose of a vaccine against SARS-CoV-2, the virus that causes COVID-19. The original mRNA vaccines, developed by Moderna and Pfizer-BioNTech, targeted the initial strain of the virus. Since then, different variants of the virus have evolved. These included Delta in 2020 and Omicron in late 2021. Subvariants of Omicron continue to emerge. Currently, ones called BQ.1, BQ.1.1, and XBB.1.5 predominate in the U.S.


NEWS 02 February 2023 How quickly does COVID immunity fade? What scientists know


03 Feb 2023

Three years into the pandemic, the immune systems of the vast majority of humans have learnt to recognize SARS-CoV-2 through vaccination, infection or, in many cases, both. But just how quickly do these types of immunity fade? New evidence suggests that ‘hybrid’ immunity, the result of both vaccination and a bout of COVID-19, can provide partial protection against reinfection for at least eight months1. It also offers greater than 95% protection against severe disease or hospitalization for between six months and a year after an infection or vaccination, according to estimates from a meta-analysis2. Immunity acquired by booster vaccination alone seems to fade somewhat faster.


Experimental mRNA Vaccine May Protect Against All 20 Influenza Virus Subtypes


06 Dec 2022

Flu season is now upon us, and protecting yourself and your loved ones is still as easy as heading to the nearest pharmacy for your annual flu shot. These vaccines are formulated each year to protect against up to four circulating strains of influenza virus, and they generally do a good job. What they can’t do is prevent future outbreaks of more novel flu viruses that occasionally spill over from other species into humans, thereby avoiding a future influenza pandemic.


Researchers Discover Potential New Antiviral Against COVID-19


30 Nov 2022

What you need to know Antivirals are medications that can help your body fight off viruses, including SARS-CoV-2, the virus that causes COVID-19. They work by preventing the virus from infecting healthy cells, which helps your immune system fight off infection. But viruses like SARS-CoV-2 can mutate, and antivirals may not be effective against viral variants. In a study supported by several NIH Institutes and Centers, researchers used an animal model to identify a drug that can stop SARS-CoV-2 from entering healthy cells in a way that viral variants won’t be able to evade. If it is safe and effective for humans, it may become another powerful tool in the fight against COVID-19, especially as new viral variants arise.


Study Shows Benefits of COVID-19 Vaccines and Boosters


18 Oct 2022

As colder temperatures settle in and people spend more time gathered indoors, cases of COVID-19 and other respiratory illnesses almost certainly will rise. That’s why, along with scheduling your annual flu shot, it’s now recommended that those age 5 and up should get an updated COVID-19 booster shot [1,2]. Not only will these new boosters guard against the original strain of the coronavirus that started the pandemic, they will heighten your immunity to the Omicron variant and several of the subvariants that continue to circulate in the U.S. with devastating effects.




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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