This study used the Korean National Health Insurance Service database, which covers nearly all residents of the Republic of Korea, to obtain information on vaccinations and clinical outcomes. Participants who received two or more doses of COVID-19vaccinewere defined as "vaccinated," and those who...
heart patientsvaccine hesitancyCOVID-19-infected people with preexisting comorbidities show high mortality. Vaccine hesitancy among this high-risk group was assessed through this study. We aimed to determine the proportion of patients with heart disease showing hesitancy to COVID-19 vaccination and to...
"The vaccine does two things," Al-Aly said. "It reduces the risks of severe COVID-19, which we know leads to long COVID. And it reduces the viral load, so there is less virus in a vaccinated individual that gets infected than an unvaccinated individual." The study also looked at the...
the incidence of heart attacks and strokes dropped by almost 10% in the 13-24 weeks after the first dose of the jab. This went to 27% lower after the second dose of the AstraZeneca vaccine, and 20% lower after the second Pfizer shot. ...
MONDAY, April 5, 2021 (HealthDay News) -- A new U.S. study offers more evidence that a single dose of a two-dose COVID-19 vaccine may provide enough protection to people who've previously been infected with the coronavirus. "Our findings extend those from smaller studies reported elsewhe...
In December 2020, a week before cardiologist Stuart Katz was scheduled to receive his first COVID-19 vaccine, he came down with a fever. He spent the next two weeks wracked with a cough, body aches and chills. After months of helping others to weather the pandemic, Katz, who works at ...
The study did not identify greater risks of long-term problems in people with asymptomatic coronavirus infections. It also found, in a much more limited subset of participants who had been given at least one dose of ...
Adolescents are being tested now. Younger children will be next. Why did vaccine manufacturers wait to study them?
which can produce high-affinity antibodies. In one study, the GC B-cell response of BALB/c mice peaks between 7 and 14 days after the injection of the mRNA vaccine based on full-length S protein. However, the ability of the RBD-based mRNA vaccine to induce GC B-cell response was poor...
For the study, more than 3,730 teens received either two shots of the Moderna vaccine or placebo injections. Blood tests showed that the vaccine created animmune responsesimilar to what has been seen in adults. Side effects from the shot were generally mild and included injection site pain, ...