Vincent, Elio and Michael discuss the stability of human coronaviruses on surfaces and in aerosols, and peptidoglycan production by a mosaic consisting of a bacterium within a bacterium within an insect.

Links for this episode:

• Human coronavirus 229E infectivity on common surfaces (mBio)
• Aerosol and surface stability of SARS-CoV-2 (medRxiv)
• Peptidoglycan synthesis by a insect-bacteria mosaic (Cell)
• Letters read on TWiM 213

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Music used on TWiM is composed and performed by Ronald Jenkees and used with permission.

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