Category: Vaccine Headlines
Assessment of Efficacy and Safety of mRNA COVID-19 Vaccines in Children Aged 5 to 11 Years
(JAMA Pediatrics) Are messenger RNA (mRNA) COVID-19 vaccines safe and effective in children aged 5 to 11 years? In this systematic review and meta-analysis including 17 studies with 10 935 541 vaccinated and 2 635 251 unvaccinated children aged 5 to 11 years, COVID-19 vaccination was associated with lower risks of SARS-CoV-2 infection, symptomatic COVID-19, hospitalization, and multisystem inflammatory […]
Jan 24, 2023
CDC, FDA Flag Early Signal of Stroke Risk With Bivalent COVID Vaccine
(MedPageToday) An early signal of stroke risk was detected in older adults who received Pfizer-BioNTech’s bivalent COVID-19 vaccine, the FDAopens in a new tab or window and CDCopens in a new tab or window announced in a joint statement late on Friday, yet the agencies found no link in further analyses and are not recommending a change in COVID-19 […]
Jan 17, 2023
Bivalent vaccines vs. BQ & XBB
(UNMC Global Center for Health Security) UNMC’s Global Center for Health Security leadership team meets weekly with local and state public health representatives to review and discuss new COVID-19 developments and other infectious disease challenges. James V. Lawler, MD, MPH, FIDSA, provides an overview of new data, developments, and updates on a local, state, national, […]
Jan 10, 2023
COVID-19 vaccines: From nasal drops to a redesign, what 2023 could have in store
(CBS News) Several vaccine companies say they are expecting breakthroughs as early as this year as they pursue new ways to protect people against SARS-CoV-2, the virus that causes COVID-19. The Food and Drug Administration is set to convene a panel of its outside vaccine advisers later this month to weigh key issues over the future of COVID-19 […]
Jan 10, 2023
A Vaccine Against COVID-19 Found to Protect Against Infection and Brain Damage Caused by the Virus
(Neuroscience News) Although the pathology of the respiratory system is the main impact of COVID-19, many patients also manifest important neurological symptoms, such as loss of smell (anosmia), headaches, malaise, cognitive loss, epilepsy, ataxia and encephalopathy, among others. However, this effect on the nervous system by the coronavirus has not been characterized in detail and […]
Jan 10, 2023
A survey of COVID-19 vaccine acceptance across 23 countries in 2022
(Nature) Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) continued to mutate and spread in 2022 despite the introduction of safe, effective vaccines and medications. Vaccine hesitancy remains substantial, fueled in part by misinformation. Our third study of Coronavirus Disease 2019 (COVID-19) vaccine hesitancy among 23,000 respondents in 23 countries (Brazil, Canada, China, Ecuador, France, Germany, […]
Jan 10, 2023
Omicron COVID booster cuts hospitalization in over 65s, Israeli study finds
(Reuters) The Omicron-adapted COVID-19 vaccine booster developed by Pfizer Inc (PFE.N) and BioNTech SE (22UAy.DE) sharply reduced hospitalizations among older patients, Israeli researchers said on Monday, in some of the first evidence of the jab’s real-world effectiveness.
Jan 9, 2023
Comparative effectiveness of third doses of mRNA-based COVID-19 vaccines in US veterans
(Nature) Vaccination against SARS-CoV-2 has been effective in reducing the burden of severe disease and death from COVID-19. Third doses of mRNA-based vaccines have provided a way to address waning immunity and broaden protection against emerging SARS-CoV-2 variants. However, their comparative effectiveness for a range of COVID-19 outcomes across diverse populations is unknown. We emulated […]
Jan 3, 2023
(Nature) Currently approved SARS-CoV-2 vaccines induce robust systemic immunity but poor immunity at the respiratory mucosa, meaning that they are highly effective against symptomatic disease but do not prevent viral transmission. In Science, Mao et al. developed a vaccine strategy that induced mucosal immune memory within the respiratory tract and reduced viral transmission. K18-hACE2 mice were […]
Jan 3, 2023
Do China’s COVID vaccines do the job?
(NPR) As COVID spreads rapidly through China, rumors circulate about the effectiveness and safety of the Chinese-manufactured vaccines. But what does the scientific data actually say about these shots? China is in the midst of a huge COVID surge. The country rolled back COVID restrictions last month. Now scientists estimate China could be facing more […]
Jan 3, 2023