What is it used for?
A nasal swab is used to diagnose certain infections of the respiratory system. These include:
The flu
COVID-19
Respiratory syncytial virus (RSV). This is a common and usually mild respiratory infection. But it can be dangerous to young babies and older adults.
Whooping cough, a bacterial infection that causes severe fits of coughing and trouble breathing
Meningitis, a disease caused by inflammation of the membranes that surround the brain and spinal cord
MRSA (methicillin-resistant Staphylococcus aureus), a serious type of bacterial infection that can be very difficult to treat
