TWiV reveals a novel H5N1 reassortant virus in Cambodia, circulating vaccine derived poliovirus type 2 in more countries, circulation in the blood of humans of infectious parvovirus B19 coated with active proteases, and B cell…

The meteorologicomaniacs discuss the COVID-19 pandemic global death toll, effectiveness of vaccines against the delta variant, and how analysis of ancient viral DNA reveals that two pathogenic human viruses were brought into Mexico during the transatlantic slave trade.