Diseases, Conditions, Syndromes

No sign latest COVID variant leads to worse symptoms

JN.1, the COVID variant sweeping the country this winter, is not prompting more severe disease than earlier variants did, early U.S. government data suggests.

Diseases, Conditions, Syndromes

How long does immunity last after a COVID infection?

Nearly four years into the pandemic, Australia, like many other countries, is still seeing large numbers of COVID cases. Some 860,221 infections were recorded around the country in 2023, while 30,283 cases have already been ...

Immunology

A new targeted treatment calms the cytokine storm

Cytokines are chemical messengers that help the body get rid of invading bacteria and viruses, and control inflammation. The body carefully balances cytokines because they help keep the immune system healthy. However, this ...

Diseases, Conditions, Syndromes

What is Disease X? How scientists are preparing for the next pandemic

The term "Disease X" was coined years ago as a way of getting scientists to work on medical countermeasures for unknown infectious threats—novel coronaviruses like the one that causes COVID-19, for example—instead of ...

Diseases, Conditions, Syndromes

Video: Expert discusses increasing levels of respiratory infections

The new year is bringing a significant rise in respiratory virus activity across the U.S. Many are experiencing coughs, fever and congestion—some of the telltale signs of COVID-19 and influenza. Dr. Nipunie Rajapakse, a ...

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