1. What is the severity of SARS-CoV-2 Omicron BA.4 and BA.5 variant infections in relation to BA.2 infections?  News-Medical.Net
  2. Homotypic and heterotypic immune responses to Omicron variant in immunocompromised patients in diverse clinical settings  Nature.com
  3. Chinese, U.S. scientists develop antibodies against COVID-19 variants like Omicron  CGTN
  4. Was there a benefit of vaccinating health care workers with a fourth dose of BNT162b2 vaccine during the Omicron outbreak?  News-Medical.Net
  5. Dynamics of a national Omicron SARS-CoV-2 epidemic during January 2022 in England  Nature.com
  6. View Full coverage on Google News

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