1. An assessment of post-vaccination immune response to SARS-CoV-2 Delta in elderly and health care workers  News-Medical.Net
  2. There's no need to panic about the new C.1.2 variant found in South Africa, according to a virologist  The Conversation Africa
  3. COVID-19 origin: US intelligence rules out lab leak theory  Medical News Today
  4. Structure-based model of SARS-CoV-2 spike protein reveals opportunity to halt virus transmission  News-Medical.net
  5. COVID-19 vaccines produce T-cell immunity that lasts and works against virus variants  The Conversation Africa
  6. View Full coverage on Google News

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