"Safe and effective vaccines for young children will help limit the spread of COVID-19 because we know children can transmit the virus to others, whether they get sick from SARS-CoV-2 infection or remain asymptomatic," said Sallie Permar from New York-Presbyterian Komansky Children's Hospital, US.
In January, Merck halted work on two Covid vaccine candidates but has pressed on with research into two products to treat the disease, including a pill-based one called molnupiravir, which it has developed with Ridgeback Biotherapeutics.
Researchers at Karolinska Institutet in Sweden and the University of North Carolina in the USA have mapped out the cell types behind various brain disorders. The findings are published in Nature Genetics and offer a roadmap for the development of new therapies to target neurological and psychiatric disorders.
According to the study, published in the Journal Nature Biomedical Engineering, the adhesive patch is about the size of a small coin, is simple to manufacture, and intended for once-a-day use.
The system, called Reinforcement Learning for Structural Evolution (ReLeaSE), comprises two neural networks which can be thought of as a teacher and a student.
The findings, published in Nature Genetics, offer a roadmap for the development of new therapies to target the condition.
Taking calcium in the form of supplements may raise the risk of plaque buildup in arteries and heart damage, although a diet high in calcium-rich foods appears to be protective, scientists have found.
Lacking education may be as deadly as being a smoker, according to a new US study.
Researchers at the University of North Carolina and NC State University, developed the patch - a thin square no bigger than a penny - which is covered with more than one hundred tiny needles, each about the size of an eyelash.
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