ScienceDaily: Science & Society News

A new study captures the scope of the COVID-19 pandemic's impact on public health: Many public health workers have been redeployed to COVID-related duties, leaving other critical public health issues with reduced or suspended services. That means investigation of other communicable diseases, food-related illness, public-health surveillance, chronic diseases and other critical services have suffered.

The severe outbreak of COVID-19 in Delhi, India, in 2021 showed not only that the Delta variant of SARS-CoV2 is extremely transmissible but that it can infect individuals previously infected by a different variant of the coronavirus, say scientists.