Vaccination News

Researchers said the most effective approach to preventing vertical transmission of hepatitis B virus was a combination of maternal use of tenofovir disoproxil fumarate, or TDF, and postnatal immunization.

Maternal and neonatal tetanus elimination has been achieved by 80% of the 59 countries identified in 1999 as being still at risk for the infection, according to a report published in MMWR.

Pfizer and BioNTech announced this week that they are seeking an emergency use authorization from the FDA for an additional booster dose of their COVID-19 vaccine for older adults.

Select pharmacies will soon be able to provide antivirals to patients who test positive for SARS-CoV-2 on the spot at no cost through the recently announced test-to-treat initiative.

According to interim estimates, the influenza vaccine has been 16% effective this season against the circulating virus — influenza A(H3N2).

The National Institute of Allergy and Infectious Diseases announced Monday that it has initiated a phase 1 clinical trial of three experimental messenger RNA HIV vaccines.

The Pfizer-BioNTech COVID-19 vaccine reduced the risk for infection with the omicron variant of SARS-CoV-2 by 31% among children aged 5 to 11 years and 59% among adolescents aged 12 to 15 years, according to data published Friday in MMWR.

K-12 schools that required universal masking reported significant reductions in COVID-19 cases last year during the delta wave of the pandemic, according to two studies published this week.

Valneva said Wednesday that its single-shot chikungunya vaccine candidate induced protective neutralizing antibody titers in more than 96% of patients 6 months after vaccination in a phase 3 trial.

The AAP reiterated its support for pediatric COVID-19 vaccination after Florida’s surgeon general said this week that the state would recommend against it.