Catching the coronavirus from surfaces is rare. The World Health Organization and national public-health agencies need to clarify their advice.
After people recover from infection with a virus, the immune system retains a memory of it. Immune cells and proteins that circulate in the body can recognize and kill the pathogen if it’s encountered again, protecting against disease and reducing illness severity.
One of the most disturbing aspects of the coronavirus disease 2019 (COVID-19) pandemic in the US is the disproportionate harm that it has caused to historically marginalized groups. Black, Hispanic, and Asian people have substantially higher rates of infection, hospitalization, and death compared with White people.
The KFF COVID-19 Vaccine Monitor is an ongoing research project tracking the public’s attitudes and experiences with COVID-19 vaccinations. Using a combination of surveys and qualitative research, this project tracks the dynamic nature of public opinion as vaccine development and distribution unfold, including vaccine confidence and hesitancy, trusted messengers and messages, as well as the public’s experiences with vaccination.
On December 11, 2020, the US Food and Drug Administration (FDA) issued an Emergency Use Authorization (EUA) for the Pfizer-BioNTech coronavirus disease 2019 (COVID-19) vaccine, administered as 2 doses separated by 21 days.
Certain antibodies and memory cells likely last more than 8 months after someone has contracted the coronavirus, especially if they have a strong immune response to COVID-19, according to a new study published Wednesday in Science.