

If that happens again, de Oliveira says, “I would stop sharing data in real time with the world, but would continue sharing with my government, to guide our own response.” The new variants The bans failed to prevent the variant’s spread, but severely damaged the already struggling South African economy. Late last year, when de Oliveira’s team detected the original Omicron variant, some countries - including the United States and the United Kingdom - imposed travel bans against South Africa.
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To determine what merits attention, Wendy Barclay, a virologist at Imperial College London, says that researchers focus on two factors: “We care about a difference in disease severity, and we care about a variant that evades vaccines - because even if we have the same severity, an increase in cases still has a big impact on life.”Īt the same time, researchers are grappling with how to openly communicate their concerns and the uncertainty about variants while not provoking unnecessary government policies and anxiety. SARS-CoV-2 will continue to mutate as it evolves, but not every variant will be newsworthy. Scientists are now studying these subvariants, so far detected in nine countries, to determine whether their effect is serious enough to warrant intervention. Why does the Omicron sub-variant spread faster than the original? Right now, he says, “it’s just time to work carefully and diligently, but calmly”.

He’s also unruffled because he’s been through this before - his team has made similar discoveries during the pandemic and knows the drill. Although the subvariants have rapidly gained ground in South Africa during the past month, rates of COVID-19 cases and hospitalizations are stable in the country. De Oliveira is clear, however, that he isn’t panicked by BA.4 and BA.5. The viruses have the attention of the World Health Organization (WHO) because, according to laboratory studies, their mutations might enable them to evade immunity gained from COVID-19 vaccines or previous infections more strongly than existing versions of Omicron. Called BA.4 and BA.5, the subvariants are now growing in prevalence in South Africa, where the virologist leads one of the world’s strongest programmes for genomic surveillance of SARS-CoV-2, at the Centre for Epidemic Response and Innovation at Stellenbosch University in South Africa. Speckled guinea fowl drift into the garden where Tulio de Oliveira sits as he describes two new members of the growing Omicron family of SARS-CoV-2 coronaviruses.

Credit: Stefan Els/Stellenbosch University The future of mankind is at the mercy of this fierce battle between the two brains.Tulio de Oliveira’s team at Stellenbosch University in South Africa discovered the BA.4 and BA.5 subvariants of Omicron. With L's expertise, the police are able to tighten the investigative screws over these cases, but Light, also cleverly manipulating the notebook of death, tosses and shakes the investigation. "L" is an eccentric genius who has successfully solved many cases in the past that were deemed unsolvable.
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Meanwhile, the ICPO (International Criminal Police Organization) has placed a mysterious detective called "L" in the Japanese police force to investigate the series of criminal cases. Light decides to create an ideal world and begins to hold the scales to judge the criminals in his discretion. Light Yagami, an extremely bright elite university student is the one to possess this ultimate tool that should remain only in the hands of God. The notebook displays the message: "The human whose name is written in this note shall die" It is the notebook of death that can determine when a person will die. A Shinigami (Death God) drops a notebook in the human world where a young genius picks it up.
