Antibodies to the virus faded quickly in asymptomatic people, scientists reported. That does not mean immunity disappears.
Tag: Immune System
Genes May Leave Some People More Vulnerable to Severe Covid-19
Geneticists have turned up intriguing links between DNA and the disease. Patients with Type A blood, for example, seem to be at greater risk.
Coronavirus Vaccine Shows Promising Early Results in China
A trial with 108 participants suggests the vaccine is safe and may be moderately effective. But experts noted that the approach has failed in the past.
A New Entry in the Race for a Coronavirus Vaccine: Hope
Scientists are increasingly optimistic that a vaccine can be produced in record time. But getting it manufactured and distributed will pose huge challenges.
Prototype Vaccine Protects Monkeys From Coronavirus
A series of animal experiments may point the way to an effective human vaccine, scientists said.
More Coronavirus Vaccines and Treatments Move Toward Human Trials
Just three months after the start of the coronavirus pandemic, several biotech companies are beginning trials of promising vaccines and treatments.
Can an Old Vaccine Stop the New Coronavirus?
A tuberculosis vaccine invented a century ago is cheap and safe, and seems to bolster the body’s immune system.
Malaria Drug Helps Virus Patients Improve, in Small Study
A group of moderately ill people were given hydroxychloroquine, which appeared to ease their symptoms quickly, but more research is needed.
A Heart Attack? No, It Was the Coronavirus
Cardiologists are seeing infected patients whose worst symptoms are not respiratory, but cardiac.
A Heart Attack? No, It Was the Coronavirus
Cardiologists are seeing infected patients whose worst symptoms are not respiratory, but cardiac.