In our opinion, Southwest has the best balance sheet of all the US-based carriers. As the pandemic has wreaked havoc on air travel demand and airlines’ business model, liquidity became more paramount ...

It can happen even after a mild case and at any age, although rates have declined since the pandemic’s early years. Studies show vaccination can lower the risk. It also is not clear what causes long ...

The Republican senator’s childhood bout with the disease has informed his ardent support for vaccines amid increasing skepticism of them within his party.

Viruses are masters at disguise. When they are pushed too far by our immune system, they send new virus variants into play ...

Get up-to-date information on the dynamics of COVID-19 variants in Toronto. Discover how this research can aid in fighting ...

Researchers have developed a powerful tool that can detect variants of SARS-CoV-2 with high transmission potential before they become widespread.

An England-wide study of over 58 million people has identified eight rare diseases that carry significantly increased risks for COVID-19-related mortality in fully vaccinated individuals.