An ardent advocate of protecting some of the world’s poorest countries from Covid-19 has been selected to lead the Biden administration’s vaccine diplomacy in an effort to corral wealthier nations into distributing immunizations more evenly around the globe.

Gayle Smith, a former U.S. Agency for International Development administrator and chief executive of the ONE Campaign to eradicate poverty and preventable disease, will step into the role, a new post at the State Department.

Vaccinating adults appears to protect children around them; bar opening event linked to 46 COVID-19 cases The following is a roundup of some of the latest scientific studies on the novel coronavirus and efforts to find treatments and vaccines for COVID-19, the illness caused by the virus. Nancy Lapid U.S.

(Reuters) - The following is a roundup of some of the latest scientific studies on the novel coronavirus and efforts to find treatments and vaccines for COVID-19, the illness caused by the virus.

Microscopic images of face masks show they slow spread of COVID-19 | Science News Important insights into the particle-filtering properties of different fabrics also offer a sense of the unseen, textured world of face masks. Helen Thompson Science News

Studying fabrics at very high magnification helps determine how some face masks filter out particles better than others. And the close-ups reveal an unseen beauty of the mundane objects that have now become an essential part of life around the world.