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The BA.2 sub-variant of the Omikron coronavirus variant, which has recently spread rapidly, especially in Denmark, does not "cause a more serious form" of Covid-19 than the BA.1 variant, reported the World Health Organization (WHO) epidemic expert Maria Van Kerkhove.more

Instead of an injection - maybe a nasal spray? And what is the function of the new preparations, if the old ones have fulfilled their role? - we can read in today's edition of "Dziennik Gazeta Prawna".more

People vaccinated with two doses of Covid-19 who then contract the coronavirus are best protected, said Italian virologist Professor Fabrizio Pregliasco. In his opinion, the virus will circulate for a long time and the vaccination strategy will change.more

Excess mortality is the most important parameter describing a pandemic, informs the director of the National Institute of Public Health (NIZP) Grzegorz Juszczyk in today's edition of "Dziennik Gazeta Prawna".more

"There is a chance that humanity will gain immunity after Omikron, but it will not be given to us forever. We know from experience that more vaccines will be needed, because the coronavirus will not leave us" - said Prof. Agnieszka Szuster-Ciesielska from the Department of Virology and Immunology at the Maria Curie-Skłodowska University in Lublin.more

In animal studies, scientists have confirmed the high effectiveness of the inhaled SARS-CoV-2 vaccine. The preparation induces immunity in the respiratory system and at the same time acts on several elements of the virus at the same time.more

Long-term use of paracetamol in people with arterial hypertension may result in complications in the form of a heart attack and stroke, suggest a study by specialists at the University of Edinburgh. It is not dangerous to take paracetamol on an emergency basis, they add.more

Wearing the mask does not have a significant negative impact on physical fitness, even during intense activity, according to research by a group of researchers from the Institute of Occupational Medicine, Social Medicine and Welfare at the University Clinic in Tübingen, informs the RND portal.more

The Covid-19 pandemic is not over yet, warned Soumya Swaminathan, chief scientific advisor to the World Health Organization (WHO). We expect new variants of SARS-CoV-2 to emerge, she said.more

An Oxford scientist who worked on the AstraZeneca vaccine says he thinks scientists and politicians “probably killed hundreds of thousands of people” by damaging the reputation of the jab.more

During the fairs organized by the British Council, students from EU and EEA countries will be able to see the offers of studies in Great Britain, including the conditions for obtaining scholarships. The event will run from February 14 to February 25.more

Microplastic particles are diverse and the methods used may not detect many of these types of contaminants. So the problem of microplastic pollution in the seas is probably bigger than it seemed, and new ways of research are needed, according to a report prepared by Spanish scientists.more

The new Omikron sub-variant BA.2 appears to have a much higher spreading capacity than the currently dominant BA.1, the British Health Safety Agency (UKHSA) reported yesterday.more

Mutation analysis of the Omikron variant indicates that it evolved to efficiently attack mouse cells and probably arose in the organisms of these rodents. This indicates a potential threat from wild animals, especially rodents, researchers from three Chinese research centers report.more

The James Webb Space Telescope has reached the area from which it will observe the Universe - the so-called the L2 libration point of the Earth-Sun system, as reported by the space agencies NASA and ESA.more

The omicron remains on plastic surfaces for much longer than previous variants of the coronavirus, a new study by Japanese scientists at Kyoto Medical University has found. The omicron can survive on plastic for up to 193.5 hours - about 8 days, and on the skin for over 21 hours - it was specified.more

An 88-year-old woman has become the first person in the UK to receive a “revolutionary” bionic implant.more

The threat to submarine telecommunications cables may be part of a subliminal war and it is known that Russia continues to develop deep-submerged ships, but has no monopoly on it, assessed Dr. Sidharth Kaushal from the London analytical center of the Royal United Services Institute (RUSI).more

The annually administered vaccine against Covid-19 would be a better solution than the more frequently administered booster dose, assessed Albert Bourla, the head of the pharmaceutical concern of the Israeli television N12 News.more

The UK Health Security Agency (UKHSA) has today identified the BA.2 version of the Omikron coronavirus variant as an under surveillance variant, although it has noted that the number of detected cases in the UK is very low.more

Scientists from Harvard University estimated that more than two-thirds of adverse reactions reported after taking the Covid-19 vaccine, such as headache and fatigue, may be due to the patient's negative attitude to the procedure, and not to the effects of the preparation itself - estimates the British daily "The Guardian ".more

The effectiveness of the COVID-19 vaccines from Pfizer and Moderna was 94.5 percent, respectively. and 95.9 percent two months after vaccination and it fell to 66.6 percent. for Pfizer and 80.3 percent. for Moderna after seven months - research conducted in the USA showed.more

Londoners working from home on a Monday are skipping exercise and feel more demotivated and stressed as a result, research has found.more

Leading British and US scientists believed it likely that the SARS-CoV-2 coronavirus had accidentally leaked from a lab in China, but feared that testing this hypothesis would harm the country's science, according to their emails in the Daily Telegraph.more

US surgeons at the University of Maryland Medical Center have become the first in the world to successfully transplant a human heart from a genetically modified pig, the US university announced yesterday. It was the latest attempt to save the life of 57-year-old David Bennett.more