COVID-19 May Have Arrived in US in December: Study
COVID-19 May Have Arrived in US in December: Study
SARS-CoV-2 antibodies detected in blood donor samples indicate infections could have occurred in the US more than a month before the first confirmed case, but some experts remain skeptical.
COVID-19 May Have Arrived in US in December: Study
COVID-19 May Have Arrived in US in December: Study

SARS-CoV-2 antibodies detected in blood donor samples indicate infections could have occurred in the US more than a month before the first confirmed case, but some experts remain skeptical.

SARS-CoV-2 antibodies detected in blood donor samples indicate infections could have occurred in the US more than a month before the first confirmed case, but some experts remain skeptical.

antibody
Common Cold Coronaviruses Tied to Less Severe COVID-19 Cases
Common Cold Coronaviruses Tied to Less Severe COVID-19 Cases
Anthony King | Nov 11, 2020
Outcomes in COVID-19 patients may be better in those recently infected with endemic coronaviruses. 
Vast Majority in US Remain Susceptible to COVID-19: Study
Vast Majority in US Remain Susceptible to COVID-19: Study
Max Kozlov | Sep 28, 2020
Fewer than 1 in 10 dialysis patients sampled had antibodies against the novel coronavirus as of July, indicating that the greater population is far from levels required to achieve herd immunity.
Vector-Based Vaccines Come to the Fore in the COVID-19 Pandemic
Vector-Based Vaccines Come to the Fore in the COVID-19 Pandemic
Anthony King | Sep 8, 2020
Adenovirus vectors deliver the genetic instructions for SARS-CoV-2 antigens directly into patients’ cells, provoking a robust immune response. But will pre-existing immunity from common colds take them down?
Zika Infection Increases Risk of Severe Dengue Fever
Zika Infection Increases Risk of Severe Dengue Fever
Ruth Williams | Aug 27, 2020
A study of Nicaraguan children links prior Zika virus infection with aggravated dengue fever symptoms.
Some COVID-19 Patients Lack Key Structures for Antibody Creation
Some COVID-19 Patients Lack Key Structures for Antibody Creation
Katarina Zimmer | Aug 25, 2020
An absence of germinal centers—which arise during infections to produce long-lived antibody-generating cells—might explain rapidly waning antibody levels in the disease.
FDA Gives Plasma Go-Ahead to Treat COVID-19, Experts Skeptical
FDA Gives Plasma Go-Ahead to Treat COVID-19, Experts Skeptical
Amanda Heidt | Aug 24, 2020
White House officials hail convalescent plasma as a major breakthrough, but scientists say evidence supporting its effectiveness is still lacking.
Doctors Forge Ahead with Plasma for COVID-19, Benefits Uncertain
Doctors Forge Ahead with Plasma for COVID-19, Benefits Uncertain
Shawna Williams | Aug 14, 2020
Researchers say the popularity of convalescent plasma makes it more difficult to gather high-quality data on its efficacy.