As the effects of the pandemic and other global crises stack up, leaving many feeling beleaguered and emotionally worn, our usually polite answers to the question, “How are you?” are being challenged. Responding with, “Fine thanks, and you?” can …

As the effects of the pandemic and other global crises stack up, leaving many feeling beleaguered and emotionally worn, our usually polite answers to the question, “How are you?” are being challenged. Responding with, “Fine thanks, and you?” can …
Natural selection and its role in the evolution of SARS-CoV-2
Natural selection and its role in the evolution of SARS-CoV-2