Vaccines

Valneva’s VLA1553 (Ixchiq) vaccine was shown to met its preliminary endpoint, with 98.9% of participants reaching protective levels of chikungunya virus neutralizing antibodies 1 month after vaccination.

The Pfizer product is indicated to prevent the 5 most common serogroups causing meningococcal disease in adolescents and young adults.

Earlier this year, the company announced its first foray into these types of infections in developing vaccines for the tickborne infection utilizing its mRNA vaccine platform.

The federal agency says the data shows immunization reduces hospitalizations by more than 57 percent in first 6 months after birth.

The company says its vaccine protects against the BA286 strain.

The European Medicines Agency (EMA) based its decision on preclinical data showing that the Omicron XBB.1.5-adapted monovalent COVID-19 vaccine generates an improved response against multiple XBB-related sublineages, including XBB15, XBB116, XBB23, and EG51.

The CDC reports the original COVID-19 monovalent and bivalent vaccines helped reduce emergency department or urgent care encounters for children aged 6 months to 5 years.

Social media platforms, public health agencies, and communities must join forces to stop the rapid spread of false information.

The strain, Eris (EG5), is from the Omicron lineage, and the expectations are the newest vaccines will protect against it, and other variants from the same family.

The agency says additional time is needed to decide upon a phase 4 program.

The vaccine targets an additional 8 unique serotypes that disproportionally affect the adult population.

New report published this week shows the decrease over the last 2 reportable years.

Patients with cancer, cancer survivors, and matched controls maintained immunity against severe COVID-19 for at least 5 months after a third or fourth vaccine dose.

Workplace exposure and living conditions were associated with higher COVID-19 risk, while previous infection, age 65 or older, and Black/African American race were correlated with lower COVID-19 rates.

This study found a substantial increase in Alzheimer's-related deaths during the initial year of the pandemic due to limited access to healthcare, social isolation, and disrupted care routines. However, the second year brought positive developments with prevention strategies and vaccinations, leading to a substantial decline in excess deaths.

Find out why the FDA requested additional data and what this means for dengue prevention.

Though rare, Guillain-Barré syndrome can occur after vaccination. Did Pfizer-BioNTech, Moderna, or Janssen COVID-19 vaccination increase the risk of Guillain-Barré syndrome?

This examination of vaccine introductions worldwide reveals significant gaps in access, especially in low-income countries.

The vaccine candidate, M72/AS01E (M72), could potentially become the first new vaccine to help prevent pulmonary TB, a form of active TB, in more than 100 years.

This rare side effect was witnessed in a small number of people post-vaccine administration.

The findings showed that heterologous vaccination, or mixing different vaccines, was safe and effective, with the Novavax vaccine (NVX-CoV2373) providing enhanced protection against the Omicron variant.

Moderna's RSV vaccine (mRNA-1345) moves closer to regulatory approval with positive data and key submissions to the US FDA, European Medicines Agency, Switzerland's Swissmedic, and Australia's Therapeutic Goods Administration.

From FDA recalls to a new COVID-19 variant, infectious disease news did not slow down in June. Catch up with Contagion's monthly recap of our most-clicked articles.

As of today, the new GSK and Pfizer RSV vaccines are authorized for adults 60 years and older. With CDC Director Dr. Rochelle Walensky’s endorsement, the vaccines are expected to be available as soon as this fall.

There was a lower risk of Omicron infection for each 10-fold increase in preinfection IgG, and for each 2-fold increase in neutralizing antibody titers.