Whooping cough: Fivefold rise in US cases spells return to pre-pandemic levels

The US has seen a fivefold increase in the incidence of whooping cough cases this year from last year, shows preliminary data from the Centers for Disease Control and Prevention (CDC).1

A total of 14 569 cases of whooping cough were confirmed in the US up to 14 September, more than five times the 2475 seen in the whole of 2023. The agency warned that the US is …