A wastewater sample collected more than a year ago in northern Utah tested positive for poliovirus, according to a researcher, but state health officials said the results could not be replicated months later so there s no threat to the public.
Poliovirus was found in a Utah wastewater sample from Tremonton in 2022, but public health officials say it‘s not a threat and there are no plans to continue monitoring sewage for the virus that causes polio. Learn more.
A new study using serum from human blood samples suggests neutralizing antibody levels produced by two-dose mRNA vaccines against the original and early variants of the SARS-CoV-2 virus wane substantially over time, and offer essentially no protection against the omicron variant.
Some medical experts have added their voices to calls to end the national state of disaster, which was declared in March 2020, by President Cyril Ramaphosa, to help fight the COVID-19 pandemic.