Variant BA.5 spreads quickly, can evade immunity from vaccines and natural infection, but causes less severe symptoms. After several consecutive weeks of decline, the number of Covid-19 cases in many regions increased again, mainly due to the spread of Omicron’s subtype BA.5. The World Health Organization (WHO) has classified it as a “disturbing strain”, recommending […]
Research by the Korea Centers for Disease Control and Prevention (KCDC) shows that the risk of severe disease or death after Omicron infection is 75% lower than Delta’s. Scientists analyzed data on about 67,200 cases of the virus since December 2021. They found the severity and mortality after Omicron infection to be 0.38% and 0.18%, […]
Due to the vaccination program stagnation, the number of infections increased, the hospital was overloaded and the immunity decreased, the number of deaths from Omicron in the US reached a record high. The US health agency on the morning of January 29 reported that the number of deaths in the wave of Omicron infections surpassed […]
BrotherResearch by Imperial College London shows that nearly two-thirds of the 3,500 Omicron-positive people have had Covid-19 in the past. Scientists also determined that Omicron completely replaced the Delta variant in the UK. The study has been updated monthly since May 2020, funded by the UK government. They analyzed more than 100,000 PCR tests across […]
The strain BA.2 is a subline of Omicron that is rapidly spreading and gaining popularity in countries such as India, Denmark and Sweden. BA.2 first appeared in India and South Africa at the end of December 2021. It is considered a sublinear, emerging from a mutation of Omicron. Omicron himself was also born from a […]
Some experts think that later variants of nCoV are less dangerous, but others oppose that idea, saying Covid-19 is still a public threat. Recently, many scientists have discussed two common views: “The next generation nCoV strains will be milder” and “Covid-19 will become a seasonal pathogen”. This idea is based on many years of medical […]
Some scientists believe that the annual Covid-19 vaccine should be administered, while others consider this an expensive, unstable and ineffective strategy in the long run. A year ago, experts and the community believed that two doses of Pfizer, Moderna, AstraZeneca vaccines or one dose of Johnson & Johnson were enough to prevent Covid-19 infection. To […]
American doctors are facing a dilemma when they cannot distinguish F0 infected with Delta or Omicron mutations, which can cause patients to miss the golden time of treatment. In F0s belonging to the high-risk group for Delta variant infection, monoclonal antibody treatment can reduce morbidity and mortality. But this method is less effective in people […]
Research by scientists from South Africa, the US and the UK shows that antibodies produced during Omicron infection can protect people from Delta and other mutations. If there are more works with similar results, experts say the future pandemic scenario will be less dire. Omicron could be the “natural vaccine” against the Delta wave and […]
Within a few weeks of its appearance, Omicron prompted many countries to accelerate their booster injections, consider using vaccine passports and re-impose travel restrictions. Rich countries, with abundant vaccine resources that once expected the pandemic to have receded, must now reassess the situation. Many countries have been accused of overreacting. The head of the South […]