Amid the uncertainty surrounding eligibility for and access to the latest Covid-19 vaccine, a new study has found that a ...

An everyday hay fever spray may do more than tame sneezes. In a rigorously run German trial, adults who used azelastine nasal ...

An over-the-counter nasal spray antihistamine reduced rates of COVID-19 infections and common colds in a midstage trial, ...

Azelastine nasal spray was associated with a reduced risk for SARS-CoV-2 infection, according to the results of a phase 2 ...

Interferon-α nasal spray was safe and effective in reducing COVID-19 risk by 40% in patients with cancer, demonstrating its potential as an additional preventive strategy alongside vaccines and ...

Daily squirts of a safe, over-the-counter allergy nasal spray may prevent COVID-19 infections from taking hold, according to ...

COVID-19 most often enters the body through the nose and throat, where the virus first settles and begins to multiply ...

New breakthrough research suggests that a common, over-the-counter nasal spray used to treat allergies may protect against ...

Researchers have found in a new study that azelastine nasal spray may help reduce the risk of SARS-CoV-2 infection.

A midstage trial revealed the use of an azelastine nasal spray significantly reduced COVID-19 infections and colds. Also, ...

A new nasal swab test can accurately predict the severity of COVID-19 infections. It provides a more precise prediction than currently available of how serious the case is by focusing on ...

People in the rapid-decliners group saw a robust rise in post-vaccination IgG (S) antibody titers, followed by a steep ...