New data in hand, the W.H.O. recommended that doctors give the drugs to critically ill patients worldwide.
Tag: Immune System
Steroids Can Be Lifesaving for Covid-19 Patients, Scientists Report
New data in hand, the W.H.O. recommended that doctors give the drugs to critically ill patients worldwide.
A Woman May Have Been Cured of H.I.V. Without Medical Treatment
In dozens of other patients who suppress the virus without drugs, it seems to have been cornered in parts of the genome where it cannot reproduce, scientists reported.
Why Does the Coronavirus Hit Men Harder? A New Clue
Women produce a more powerful immune response than do men, a new study finds.
Scientists See Signs of Lasting Immunity to Covid-19, Even After Mild Infections
New research indicates that human immune system cells are storing information about the coronavirus so they can fight it off again.
Moderna and Pfizer Begin Late-Stage Coronavirus Vaccine Trials
The studies each aim to enroll 30,000 people and determine whether the vaccines are safe and effective.
Your Coronavirus Antibodies Are Disappearing. Should You Care?
Declining antibody levels do not mean less immunity, experts say. Besides, two widely used tests may detect the wrong antibodies.
Viking Age Smallpox Complicates Story of Viral Evolution
An extinct version of the smallpox virus dating to 1,400 years ago prompts speculation about viruses becoming more lethal over time.
Breakthrough Drug for Covid-19 May Be Risky for Mild Cases
That study about dexamethasone has arrived with a big asterisk: While it appears to help severely ill patients, it harms others.
Decades-Old Soviet Studies Hint at Coronavirus Strategy
A married pair of virologists in Moscow tested a vaccine on their own children in the 1950s. Now, a side effect they found is sparking new hope for a defense against the coronavirus.