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Infection seems to add a boost to immunity – but vaccination is still vital and breakthrough infections should be avoided as much as possible.
Omicron may be able to dodge antibodies, but it is no match for our killer T-cells.
By better communicating how vaccines boost the immune system’s long term “memory”, manufacturers could address vaccine hesitancy.
Cell-mediated immunity is particularly effective at eradicating viruses, and more durable. This is important in the fight against COVID-19.
Health care workers wait in line for vaccinations at a site in Los Angeles.
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With vaccine shortages looming, experts are debating whether it is important to receive two doses or whether it’s better to give one dose to more people and give a second when the supply is better.
Masking up is one way to cut down on risk of COVID-19 infection.
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Older coronavirus patients face grimmer outlooks. A virologist explains the aging-related changes in how immune systems work that are to blame.
There are currently no permanent treatments for most patients with inflammatory bowel disease.
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Researchers discover clues to the origin of inflammatory bowel disease and a possible strategy for treatment.
The relationship between the coronavirus and human genetics is murky.
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Researchers from Oregon Health and Science University found that variations in genes that code for parts of the cellular alarm system might play a role in how well people fight off COVID-19.
A nursing home resident who tested positive for the virus visits through the window with her daughter.
AP Photo/Ted S. Warren
Different demographics are more or less vulnerable to serious complications from the coronavirus. A virologist explains the aging-related changes in how immune systems work that are to blame.
Chest x-ray of a person with TB infection in both the right and left lungs.
There are more effective ways to give the tuberculosis vaccine.
The science is now used to tackle a range of diseases.
Peter Doherty’s Nobel Prize-winning insights proved crucial for understanding how viral infections are controlled.