Those who’ve dodged COVID-19 for more than four years may have a newly discovered immune response to thank. The results stem from a challenge trial: At the height of the pandemic in 2021, scientists ...
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A pill can stop people from developing COVID after being exposed to the virus, trial finds
A pill called ensitrelvir is the first drug shown to effectively reduce infection after exposure to SARS-CoV-2.
World Health Organization officials first learned about a cluster of cases of pneumonia in the Hubei Province of China on Dec. 31, 2019. This represented the initial report of what soon became known ...
Immune-priming events such as COVID-19 and influenza vaccinations may have cross-protective effects on the incidence of other viral ARIs.
Tracking the genetic diversity of SARS-CoV-2 in wastewater, rather than just viral abundance, dramatically improves the ...
Investigators from Mass General Brigham have found that a method originally designed for cancer detection can also identify and monitor even tiny amounts of SARS-CoV-2 intact viral particles in blood ...
We conducted a phase 2–3 double-blind trial to assess the efficacy and safety of nirmatrelvir–ritonavir in asymptomatic, rapid antigen test–negative adults who had been exposed to a household contact ...
Detection of common cold coronaviruses (ccCoVs) decreased by approximately half after the widespread SARS-CoV-2 exposure and COVID-19 vaccination, whereas detection of respiratory syncytial virus (RSV ...
Two of the closest known relatives to SARS-CoV-2 -- a pair of bat coronaviruses discovered by researchers in Laos -- may transmit poorly in people despite being genetically similar to the ...
The worst damage from COVID-19 was first measured in fevers, oxygen levels and death counts. Now, years later, researchers ...
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