Sudan: the longer the conflict lasts, the higher the risk of a regional war: Saudi security officers stand guard off the seaport of Port Sudan in April 2023. Fayez Nureldine/AFP via Getty Images The 2019 Sudan uprisings that ousted long-time dictator Omar al-Bashir and installed a military-civilian transitional government gave hope that the northern African …
COVID-19 vaccines produce T-cell immunity that lasts and works against virus variants: By better communicating how vaccines boost the immune system's long term "memory", manufacturers could address vaccine hesitancy. i_am_zews/Shutterstock Over the past year or so, ordinary people have learnt a lot about viruses, vaccines and the immune system. We have all had to digest …
Carbon dioxide lasts for centuries – so should carbon offsets: If a forest goes up in smoke, what about the offset? Christian Roberts-Olsen / shutterstock Carbon dioxide, once emitted into the atmosphere, stays there for hundreds of years. When someone uses an offset to counteract emissions they need to make sure the offset they buy …
South Africa in the news: Moderna vaccine lasts at least 6 months, study says: Many showed total or partial loss of effectiveness against a virus variant first detected in South Africa. The vaccines still seemed to protect against a variant first found in the United Kingdom …: “South Africa” – BingNews ANALYSIS: This is why …
South Africa in the news: Pfizer says COVID-19 vaccine protection lasts at least six months, protects against variants: And it appeared to be fully effective against the worrying B.1.351 variant of the virus, which is the dominant strain circulating in South Africa and which researchers feared had evolved to evade the …: “South Africa” – …
South Africa in the news: Pfizer says COVID-19 vaccine protection lasts at least six months, protects against variants: It’s the first look at how long protection for a coronavirus vaccine lasts, and while six months is a modest target, it’s longer than the 90 days of protection that’s been the best estimate offered to …: …