The 12 countries -- the US, Canada, Australia, UK, Spain, Portugal, Germany, Belgium, France, the Netherlands, Italy and Sweden -- are not endemic for monkeypox virus, meaning the virus is not typically found unlike some countries in Central and West Africa.
A pair of studies have shown that Omicron infection produced even better immune responses than a booster shot in vaccinated patients. The data comes as Omicron continue to fuel outbreaks around the world, most notably in China.
The ground-breaking experiment, detailed in the journal Communications Biology on Thursday, has given researchers hope that it may be possible to one day grow plants directly on the Moon. "This research is critical to NASA's long-term human exploration goals," said Bill Nelson, the head of the US space agency. "We'll need to use resources found on the Moon and Mars to develop food sources for future astronauts living and operating in deep space."
The world is celebrating the annual Earth Day today to promote global awareness about environmental protection and conservation. Google too dedicated a doodle on the occasion addressing one of the most pressing topics of the time: Climate change.
The Sun on Wednesday unleashed a massive solar flare that has the potential to impact satellite communications and global positioning systems, the Centre of Excellence in Space Sciences India (CESSI) said.
The first audio recordings on Mars reveal a quiet planet with occasional gusts of wind where two different speeds of sound would have a strange delayed effect on hearing, scientists said Friday. The study confirmed for the first time that the speed of sound is slower on Mars, travelling at 240 metres per second, compared to Earth's 340 metres per second.