‘We still don’t know it’s over’: will Covid surge after US ends emergency?

Experts remain concerned about virus as Biden administration says it will let the public health emergency expire in May

David Rosner, who studies public health and social history at Columbia University, spent 10 days in a hospital in November because he contracted respiratory syncytial virus (RSV), which worsened due to his asthma, and he developed pneumonia.

It's all over now, but there were a few moments where it was kind of touchy, and I wish people were more aware generally that this can happen," said Rosner, 76, who has not had Covid-19.