Wondering how to confirm H3N2 flu in Delhi? Here's a guide to the diagnostic test name, RT-PCR vs rapid tests, and where you ...

A feasibility study in Germany found that concertgoers strongly supported medical detection dogs for COVID-19 screening, with ...

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

A phase 2 study shows that azelastine nasal spray lowered coronavirus infection rates to 2.2% compared to 6.7%, researchers ...

Here’s what to know about the latest COVID strain — and how to tell if your at-home test is still good to use.

The FDA imposed new restrictions on COVID-19 vaccines, limiting access to the updates shots to people who are at risk for ...

A common nasal spray may lower the risk of getting Covid-19, a new study shows. Dr. Leana Wen discusses what this all means as coronavirus cases rise.

The FDA has accepted for review the NDA for ensitrelvir for the prevention of COVID-19 following exposure to an infected individual.

You can exhibit COVID-19 symptoms yet test negative due to early infection, low viral load, or immune response. PCR testing and repeated checks help ensure accurate detection and safety.

An everyday hay fever spray may do more than tame sneezes. In a rigorously run German trial, adults who used azelastine nasal spray three times a day were less likely to catch COVID-19 than those who ...

Based on the most recent COVID-19 wastewater detection and test positivity data made available by the county, cases of COVID-19 in San Luis Obispo County have been on the rise since the start of the ...

The risk for SARS-CoV-2 infection is increased among adults with allergic rhinitis using nasal corticosteroids but not among children.