vaccine

FDA takes steps to allow critically needed supply of Janssen COVID-19 vaccine

FDA takes steps to allow critically needed supply of Janssen COVID-19 vaccine

Following careful review and deliberation, the U.S. Food and Drug Administration is taking important steps that will allow a critically needed supply of the Janssen (Johnson & Johnson) COVID-19 Vaccine to be made available. The agency is announcing today that it is authorizing for use, under the emergency use authorization (EUA) for the Janssen COVID-19 …

FDA takes steps to allow critically needed supply of Janssen COVID-19 vaccine Read More »

Detecting rare blood clots was a win, but US vaccine safety system still has gaps

Some J&J vaccine doses can be used, but many must be tossed

by Linda A. Johnson and Zeke Miller Credit: Unsplash/CC0 Public Domain U.S. regulators are allowing the release of about 10 million doses of Johnson & Johnson’s COVID-19 vaccine from a troubled Baltimore factory, but many more doses can’t be used and must be thrown out. The Food and Drug Administration announced Friday that it had …

Some J&J vaccine doses can be used, but many must be tossed Read More »

Study: Response of Unvaccinated US Adults to Official Information About the Pause in Use of the Johnson & Johnson-Janssen COVID-19 Vaccine. Image Credit: LookerStudio / Shutterstock

Has COVID-19 vaccine confidence dropped following the pause of Johnson & Johnson/Janssen?

A new study, which was conducted by Vishala Mishra and Joseph P. Dexter at Madras Medical College, Chennai, India, suggests that the infamous pause in the administration of the Johnson & Johnson (J&J)/Janssen coronavirus disease 2019 (COVID-19) vaccine, advised by the US Food and Drug Administration (FDA), has left doubt about the veracity of vaccine …

Has COVID-19 vaccine confidence dropped following the pause of Johnson & Johnson/Janssen? Read More »

Brazil green-lights Pfizer vaccine for kids 12 and up

Brazil green-lights Pfizer vaccine for kids 12 and up

Credit: Pixabay/CC0 Public Domain Brazil’s health regulator approved the Pfizer COVID-19 vaccine Friday for use in children aged 12 and up, though they will likely have to wait months in line for older age groups to be vaccinated first. Hit hard by the pandemic, Brazil joins countries including the United States, Uruguay and Chile in …

Brazil green-lights Pfizer vaccine for kids 12 and up Read More »

Will people really need a yearly COVID booster vaccine?

Will people really need a yearly COVID booster vaccine?

(HealthDay)—As the number of people fully immunized against COVID-19 rises into the hundreds of millions, immunologists and infectious disease experts now are pondering a new question in the unfolding pandemic. Namely, how long will vaccine immunity last, and will people who’ve gotten the jab need booster shots to maintain their protection? It’s an important question, …

Will people really need a yearly COVID booster vaccine? Read More »

Study: The ChAdOx1 vectored vaccine, AZD2816, induces strong immunogenicity against SARS-CoV-2 B.1.351 and other variants of concern in preclinical studies. Image Credit: F8 studio / Shutterstock

New Astra-Zeneca B.1.351 vaccine AZD2816 strongly immunogenic against multiple SARS-CoV-2 variants of concern

In many countries, the rapid pace of vaccination against coronavirus disease 2019 (COVID-19) has helped to reduce the number of new cases and hospitalizations remarkably. Simultaneously, however, new strains are emerging that show resistance to antibodies elicited by earlier strains, and/or increased transmissibility. A new study, released on the bioRxiv* preprint server, supports the efficacy …

New Astra-Zeneca B.1.351 vaccine AZD2816 strongly immunogenic against multiple SARS-CoV-2 variants of concern Read More »

Study: Single-dose mRNA vaccine effectiveness against SARS-CoV-2, including P.1 and B.1.1.7 variants: a test-negative design in adults 70 years and older in British Columbia, Canada. Image Credit: Melinda Nagy / Shutterstock

High single-dose efficacy of Pfizer vaccine against SARS-CoV-2 in older adults

In British Columbia (BC), Canada, vaccination against coronavirus disease 2019 (COVID-19) began with the Pfizer/Moderna mRNA (messenger ribonucleic acid) vaccines began with nursing home residents and frontline healthcare workers. New research by scientists in Canada suggests that these are known to have a high protective efficacy of 92-93% after a single dose, but this data …

High single-dose efficacy of Pfizer vaccine against SARS-CoV-2 in older adults Read More »

G7 to provide 1 billion Covid-19 vaccine doses 'to world' by 2023

G7 to provide 1 billion Covid-19 vaccine doses ‘to world’ by 2023

Credit: Pixabay/CC0 Public Domain G7 leaders will agree to expand global COVID vaccine manufacturing to provide at least one billion doses to the world through sharing and financing schemes, Britain said Thursday. The UK, which is hosting the big powers’ gathering in southwest England, added it would donate at least 100 million surplus doses within …

G7 to provide 1 billion Covid-19 vaccine doses ‘to world’ by 2023 Read More »

COVID-19 cases, deaths down in seniors after vaccine introduction

COVID-19 cases, deaths down in seniors after vaccine introduction

(HealthDay)—Following the introduction of the COVID-19 vaccine, decreases in COVID-19 cases, emergency department visits, hospital admission, and deaths were seen among older adults, according to research published in the June 8 early-release issue of the U.S. Centers for Disease Control and Prevention Morbidity and Mortality Weekly Report. Noting that the Advisory Committee on Immunization Practices …

COVID-19 cases, deaths down in seniors after vaccine introduction Read More »