Echinacea is an herbal medicine for colds and other respiratory illnesses, and in this week’s Grow Like A Pro, Horticulture Agent Taylor Jones shows us how it’s also food for the birds.

We then assessed the properties of NB.1.8.1 by virological experiments. A lentivirus-based pseudovirus assay showed that the infectivity of NB.1.8.1 was significantly higher (2·5-fold; p<0·0001) than ...