TNPSC Thervupettagam

Needle-free COVID-19 vaccine

September 27 , 2024 18 hrs 0 min 35 0
  • The India-Australia collaboration has developed a needle-free intra-nasal booster vaccine against SARS-CoV-2.
  • This live-attenuated booster has been developed using ‘codon de- optimisation’ technology.
  • Codon de-optimisation involves decreasing the frequency of under-represented codon pairs (genetic determinants for amino acids) without changing the amino acid sequences.

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