Immunology

A tiny molecule with a big impact

Nitric oxide (NO) occurs naturally in the human body as a messenger substance. It is considered an all-rounder, as it performs numerous important regulatory functions, including immune defense against pathogens. The exact ...

Diseases, Conditions, Syndromes

Has Delta killed the herd immunity dream?

As the Delta variant continues its global surge, experts are questioning whether the long-held goal of achieving herd immunity from COVID-19 through vaccination is still viable.

Diseases, Conditions, Syndromes

States that had a grip on COVID now seeing a crush of cases

The COVID-19 surge that is sending hospitalizations to all-time highs in parts of the South is also clobbering states like Hawaii and Oregon that were once seen as pandemic success stories.

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