Vaccination
Study: Maternal pertussis vaccination prevents most infant infections
Maternal pertussis vaccination resulted in a 66% decrease in pertussis among infants through age 6 months and remained protective for up to 8 months, with no evidence it blunted response to further vaccination, an Australian study found.
Outreach increases COVID-19 vaccination among children with sickle cell disease
Outreach efforts in the form of text messages and phone calls succeeded in increasing COVID-19 vaccination among children with sickle cell disease, according to a study published in Pediatrics.
Chatbot-delivered intervention increases seasonal influenza vaccine uptake in older adults
A chatbot-delivered, personally tailored intervention was associated with increased uptake in seasonal influenza vaccinations among older adults, a study in JAMA Network Open showed.
10-year data show ‘robust’ long-term benefit of HPV vaccination
A study of 10-year follow-up data showed no cases of high-grade intraepithelial neoplasia and few cases of HPV infection among almost 1,300 boys and girls who received the 9-valent HPV vaccine, according to results published in Pediatrics.
Top in ID: Novavax gives vaccine update; study hints that bed bugs may spread MRSA
Novavax said its protein-based vaccine induced neutralizing antibodies against emerging SARS-CoV-2 variants, becoming the third company to publicize preliminary findings for updated monovalent COVID-19 vaccines expected this fall.
New-onset inflammatory diseases ‘may be triggered’ by COVID-19 infection, vaccination
Certain new-onset inflammatory rheumatic diseases, including polymyalgia rheumatica and vasculitis, may be triggered by SARS-CoV-2 infection or vaccination against COVID-19, according to data published in RMD Open.
FDA extends approval deadline for Valneva’s chikungunya vaccine by 3 months
The FDA extended the review period for Valneva’s chikungunya vaccine candidate by 3 months while the design of a phase 4 study is finalized.
One in six toddlers did not complete childhood vaccination series before COVID-19
One in six toddlers in the United States did not complete the vaccination series for seven recommended childhood vaccines in 2019, the year before the COVID-19 pandemic, according to a study published in Pediatrics.
Maternal group B strep vaccine shows promise in phase 2 trial
Pregnant women who received an investigational group B streptococcus vaccine in a phase 2 trial transferred antibodies to their infants “at levels associated with a reduced risk of invasive group B streptococcal disease,” researchers found.
23-valent pneumococcal vaccine linked to necrosis, but risks do not outweigh benefits
There have been some reports of necrosis at the injection site following receipt of the 23-valent pneumococcal vaccine, but the vaccine’s overall benefit-risk balance “remains favorable,” researchers wrote in JAMA Internal Medicine.