Credit: Pixabay/CC0 Public Domain Johnson & Johnson said Wednesday a second dose of its COVID-19 vaccine boosted immunity beyond the first dose. In two clinical studies that have not yet been peer-reviewed, the additional shot evoked a nine-fold increase in antibodies to the coronavirus, the company said in a news release. President Joe Biden’s administration has announced plans for...
Ewen Callaway Britain is one of several countries looking to administer booster shots for COVID-19 in the coming months; some have already started. Credit: Henry Nicholls/Reuters/Alamy To boost or not to boost? That is the question facing countries fortunate enough to have vaccinated much of their adult population. In the face of soaring infection numbers...
By Sally Robertson, B.Sc. Aug 5, 2021 Researchers in the United States and Canada have conducted a study showing that the vaccines developed by Pfizer-BioNTech and Moderna to protect against coronavirus disease 2019 (COVID-19) generate local antibody responses in the salivary gland that are independent of the systemic immune response. The team found that just one...
by The Associated Press In this May 7, 2020 file photo, a pregnant woman waits in a food pantry line at St. Mary’s Church in Waltham, Mass., for people in need of groceries due to the COVID-19 pandemic. Two obstetricians’ groups—The American College of Obstetricians and Gynecologists and the Society for Maternal-Fetal Medicine are now...
A cell (red) infected with SARS-CoV-2 particles (green).Credit: NIAID/NIH/SPL Researchers developing the Oxford–AstraZeneca COVID-19 vaccine have identified biomarkers that can help to predict whether someone will be protected by the jab they receive. The team at the University of Oxford, UK, identified a ‘correlate of protection from the immune responses of trial participants — the...
Ewen Callaway A cell (red) infected with SARS-CoV-2 particles (green).Credit: NIAID/NIH/SPL Researchers developing the Oxford–AstraZeneca COVID-19 vaccine have identified biomarkers that can help to predict whether someone will be protected by the jab they receive. The team at the University of Oxford, UK, identified a ‘correlate of protection from the immune responses of trial participants —...
by Libby Richards, The Conversation Credit: Unsplash/CC0 Public Domain Millions have rolled up their sleeves for the COVID-19 vaccine, but why haven’t they rolled up their pants legs instead? Why do we get most shots in our arms? As an associate professor of nursing with a background in public health, and as a mother of two curious kids, I...
by Ernie Mundell and Robin Foster Sanofi and GlaxoSmithKline announced Monday that their coronavirus vaccine candidate produced powerful responses in a preliminary trial that followed an earlier setback in the vaccine’s development. In selected data that has not yet been published in a peer-reviewed journal, the vaccine “triggered strong immune response amongst adults of all...
by Rik Thompson and Thomas Lloyd, The Conversation Credit: www.shutterstock.com Australian women are being asked to think about the timing of breast cancer screening as they prepare to receive their COVID vaccine. This is in light of US evidence that a normal consequence of COVID vaccination, temporary swelling of the lymph nodes in the armpit, may interfere with how doctors interpret...
By Matthew Herper April 13, 2021 A doctor inoculates someone with AstraZeneca’s Covid-19 vaccine.MICHELE TANTUSSI/GETTY IMAGES Aweek after receiving the AstraZeneca Covid-19 vaccine, a 37-year-old woman in Norway went to the emergency department with fever and persistent headaches. A CAT scan of her head showed a blood clot in blood vessels involved in draining the brain,...
