COVID and SARS News

June 13, 2025

Top Headlines

Latest Headlines

updated 11:32am EDT

Risk of Long COVID Declined Over Course of Pandemic

July 17, 2024 — The risk of long COVID has declined over the course of the pandemic, although it remains a persistent threat. Researchers identified vaccination as a primary factor in reducing the risk of long ...

Risk Factors for Long COVID Revealed

June 17, 2024 — A new study sheds light on factors that may have predisposed some patients to recover more slowly after ...

Century-Old Vaccine Protects Type 1 Diabetics from Infectious Diseases

May 22, 2024 — Researchers conducted a Phase III trial to test the 100-year-old Bacillus Calmette-Gu rin (BCG) vaccine in people with type 1 diabetes during the COVID-19 ...

COVID-19 Vaccination and Boosting During Pregnancy Protects Infants for Six Months, Study Finds

Feb. 14, 2024 — Women who receive an mRNA-based COVID-19 vaccination or booster during pregnancy can provide their infants with strong protection against symptomatic ...

A Universal Coronavirus Vaccine Could Save Billions of Dollars If Ready Before Next Pandemic, Study Suggests

Jan. 11, 2024 — A new study suggests that once developed, a universal vaccine in advance of the next coronavirus epidemic/pandemic can save up to 7 million ...

A New Era for Accurate, Rapid COVID-19 Testing

Oct. 26, 2023 — Researchers demonstrate a nanopore-based technique that can detect different variants of SARS-CoV-2, the virus that causes COVID-19. The method was very effective in detecting the Omicron variant of ...

COVID-19 Vaccination and Boosting During Pregnancy Benefits Pregnant People and Newborns

Aug. 11, 2023 — Receiving a COVID-19 mRNA vaccine or booster during pregnancy can benefit pregnant people and their newborn infants, according to new ...

Studies Find Omicron Related Hospitalizations Lower in Severity Than Delta, and Pfizer-BioNTech COVID Vaccine Remains Effective in Preventing Hospitalizations

Dec. 13, 2022 — Adult hospitalizations from Omicron-related SARS-CoV-2 (COVID-19) were less severe than Delta, and the Pfizer-BioNTech vaccine (also known as ...

Long-Term Immune Response to SARS-CoV-2 mRNA Vaccination Is Unaffected by Pregnancy, Study Finds

Dec. 13, 2022 — The long-term immune response to SARS-CoV-2 mRNA vaccination was similar in pregnant individuals compared with non-pregnant individuals of ...

Researchers Identify a New Entryway Into Cells for Virus Causing COVID-19

Dec. 6, 2022 — In a study adding to the pool of knowledge about viral entry, researchers have published a highly compelling study showing a previously unrecognized entryway for SARS-CoV-2, the virus that causes ...

How Antibody Therapy Impacts COVID Vaccines

Dec. 6, 2022 — People who receive monoclonal antibodies before vaccines may benefit from increased coverage, due to antibody feedback inhibition, according to new ...

Primary Series and Original Booster Provide Protection Against Omicron Infection

Dec. 1, 2022 — mRNA COVID-19 vaccines are less effective against Omicron infections than other variants. A study suggests that the additional protection offered by the initial booster shot may be reduced among ...

Immune T Cell Defense Is Coping With COVID-19 Variants of Concern -- For Now

Dec. 1, 2022 — Immune T cells are continuing to target the spike protein of SARS-CoV-2 variants of concern, although mutations are making some T cells less effective, according to new ...

COVID-19 Vaccine Gives Substantial Protection Against Reinfection, Study Finds

Nov. 22, 2022 — Individuals previously infected with SARS-CoV-2, the virus that causes COVID-19, still benefit from vaccination, gaining 60% to 94% protection against reinfection, depending on the variant, according ...

Moderna's COVID-19 Vaccine Safe and Effective for Young Children, Study Finds

Nov. 4, 2022 — Moderna's COVID-19 vaccine is safe and effective in children 6 months to 5 years of age, a clinical trial has ...

Study Finds High Prevalence of COVID-19 and Flu Co-Infections During 2021-2022 Flu Season

Nov. 2, 2022 — Researchers have discovered a high prevalence of COVID-19 co-infections in central Missouri during the 2021-2022 flu season, with a monthly co-infection rate as high as 48 percent among individuals ...

Getting to the Heart of COVID-19 Vaccination and Its Cardiovascular Risks

Nov. 1, 2022 — After mRNA vaccination, adults under 40 have a slightly greater chance of developing myocarditis or pericarditis, yet the vaccine's benefits outweigh the risks, according to a new ...

New Light on Key Differences in Immune Response to SARS-CoV-2 Vaccines

Oct. 31, 2022 — While both protect from severe disease, inactivated SARS-CoV-2 and spike mRNA vaccines trigger different T-cell ...

Multistate Study Examines mRNA Vaccine Effectiveness for Immunocompromised Adults During Omicron BA.4 and BA.5 Predominance

Oct. 26, 2022 — A recent study analyzed mRNA COVID vaccine effectiveness for immunocompromised adults during Omicron BA.4 and BA.5 predominance. The large, geographically diverse study confirms that overall ...

How Severe Is the SARS-CoV-2 Omicron BA.2 Subvariant Compared With Earlier Variants?

Oct. 26, 2022 — Researchers determined that the BA.2 subvariant is less severe than the previous Delta variant and less severe to an even greater extent than the original Omicron ...

Intranasal COVID Vaccine That Works Against Variants in Animals

Oct. 24, 2022 — An intranasal vaccine against SARS-CoV-2 could quickly get to the respiratory tract, where the virus most commonly causes symptoms. And a spray or droplets could be a more palatable option for people ...

Third COVID-19 Vaccine Dose Is Highly Effective in Patients With Cirrhosis

Oct. 19, 2022 — Results of a retrospective study of 26,000 patients show that receiving a third dose of the vaccine was associated with 80% reduction in overall COVID-19 and 100% reduction in severe course of the ...

Myocarditis Seven Times More Likely With COVID-19 Than Vaccines, Study Finds

Oct. 13, 2022 — The risk of developing myocarditis -- or inflammation of the heart muscle -- is seven times higher with a COVID-19 infection than with the COVID-19 vaccine, according to a recent study. Patients with ...

Time of Day Might Not Matter for COVID-19 Vaccination

Oct. 12, 2022 — A study in Japan finds antibody response to the Moderna COVID-19 mRNA vaccine does not vary depending on the time of day when the dose was ...

COVID-19: Boosting With an mRNA Vaccine Offers Better Protection in People Who Received Two Doses of CoronaVac

Oct. 6, 2022 — One year after mass vaccination against COVID-19 was launched, inactivated virus vaccines accounted for half of the doses administered worldwide. Now, a large observational study performed in Brazil ...

SARS-CoV-2 Immunity Research: Study Suggests Breakthrough Infection May Confer Extra Protection to Vaccinees

Sep. 9, 2022 — While the primary site of SARS-CoV-2 infection is in the nose, most antiviral immunity studies have been performed with peripheral blood. T-cell analysis of nasal swab samples suggests getting ...

Three COVID-19 Vaccines May Provide Greater Protection from COVID-19 Infections Than Two, Study Suggests

Sep. 1, 2022 — Two vaccine doses provide only limited and short-lived protection against SARS-CoV-2 infection with the Omicron variant. A new study suggests that a third COVID-19 vaccine dose increased the level ...

Universal Vaccine Needed to Prevent Future COVID-19 Waves, Study Suggests

Aug. 9, 2022 — A model of COVID-19 dynamics in South Africa reveals epidemiological characteristics of the main SARS-CoV-2 variants of concern and highlights their potential to cause further ...

The Lining of Children's Noses May Provide Protection from SARS-CoV-2 Infection

Aug. 1, 2022 — SARS-CoV-2 causes a broad range of clinical symptoms, including potentially fatal acute respiratory distress syndrome (ARDS). A study suggests the nasal epithelium (the lining of the nose) of ...

New Needle-Free Nasal Vaccine Shows Promise for COVID-19

July 28, 2022 — New research shows that a needle-free mucosal bacteriophage (phage) T4-based COVID-19 vaccine is effective against SARS-CoV-2 ...