Brazil's bats are harboring a vast and diverse pool of coronaviruses, a new study finds, including a newly identified strain ...

A woman from Kolkata contracted the Human Coronavirus HKU1, sparking health concerns. HKU1, not related to COVID-19, ...

Five years after the WHO declared COVID to be a pandemic, questions remain including how many people have died.

Although the bivalent COVID-19 vaccine conferred moderate protection against symptomatic disease, hybrid immunity provided the strongest protection.

One avenue for new vaccine development is mucosal vaccines. In theory, dosing the vaccine directly into the respiratory tract ...

We’ve learned a lot about COVID-19 over the last five years, but big questions remain. Recent federal actions may hinder the disease’s management.

The man’s case didn’t give rise to any widespread variant, but it gave Gupta, with his HIV evolution background, the idea ...

Here are answers to what doctors say are some of the most common questions they still get about COVID-19 — and a few ...

A large-scale French study finds that patients hospitalized with COVID-19 face a significantly higher risk of long-term organ ...

SARS-CoV-2, the virus responsible for COVID-19, infects cells by binding its spike protein to angiotensin-converting enzyme 2 (ACE2) receptors.

Ensitrelvir PEP was safe and effective for COVID-19 prevention among household contacts when administered after the onset of symptoms in an index patient.

The lack of available medications in the United States for COVID post-exposure prophylaxis leaves household members in close ...