Pcr

Physicians should practice clinical judgment when treating patients who have a negative PCR test despite clear COVID-19 signs or symptoms and no alternative diagnosis, according to researchers.

The new year rung in record highs of COVID-19 cases as omicron quickly surpassed delta as the dominant variant in the U.S., according to the CDC.

The AAP updated its interim guidance on when and how to test children for SARS-CoV-2 infection and added a new type of mask — the elastomeric mask — to its guidance on personal protective equipment.