Science News Roundup: Some lingering COVID-19 issues seen in children

Following is a summary of current science news briefs.

Some lingering COVID-19 issues seen in children; patients' antibodies attack multiple virus targets

The following is a roundup of some of the latest scientific studies on the novel coronavirus and efforts to find treatments and vaccines for COVID-19, the illness caused by the virus. Long lasting COVID-19 effects seen in children

(With inputs from agencies.)