Vaccination News

Janssen on Wednesday announced it has stopped the phase 3 Mosaico trial because the investigational HIV vaccine regimen it was testing was not effective in preventing HIV infection compared with placebo.

A population-based survey of U.S. adults who previously reported having COVID-19 showed a high burden of long COVID, with some reporting symptoms more than 12 months after their initial infection.

Health officials said a safety signal detected by a national surveillance system is “very unlikely” to represent a “true clinical risk” for stroke among older people who received the Pfizer-BioNTech bivalent COVID-19 booster.

Medicare beneficiaries who received care from clinics participating in Maryland’s advanced primary care program had lower rates of COVID-19-related hospitalizations and deaths than those receiving care at nonparticipating sites, data show.

Intermittent fasting was associated with a lower risk for COVID-19 hospitalization and mortality and could be used as a complementary therapy to vaccination, according to researchers.

A recent study showed that absolute vaccine efficacy against COVID-19 hospitalization was higher in boosted individuals compared with those who received the primary series only.

The FDA has accepted for priority review a supplemental biologics license application for Pfizer’s 20-valent pneumococcal conjugate vaccine for use in infants and children aged 6 weeks to 17 years, Pfizer announced.

The XBB.1.5 omicron subvariant has evolved to become the most transmissible SARS-CoV-2 subvariant yet, rapidly replacing other variants, although its ultimate impact on the pandemic is unclear, according to experts.

A study found no reported serious adverse events among children who received a COVID-19 vaccine after recovering from multisystem inflammatory syndrome in children, or MIS-C, according to results published in JAMA Network Open.

The absolute vaccine effectiveness of a recent first booster dose of COVID-19 messenger RNA vaccine against COVID-associated hospitalization is 81% compared with 46% for the primary series alone, researchers found.