Science News Roundup: tentacles on cells may help virus spread to other cells and Italy's Cassandra regret one thing

Tentacles on cells may help virus spread to other cells; risk not significantly higher in people with HIV The following is a brief 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.

Following is a summary of current science news briefs.

Tentacles on cells may help virus spread to other cells; risk not significantly higher in people with HIV

The following is a brief 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. "Tentacles" on hijacked cells might help coronavirus spread.

Italy's Cassandra: the scientist who challenged WHO guidelines

Andrea Crisanti says his one regret is that he didn't yell loudly enough at the beginning when the dead had yet to pile up. The Italian virologist has become a medical celebrity at home, a contrarian who broke with initial World Health Organization (WHO) guidelines on testing for the new coronavirus, deeming them narrow and "stupid" -- something the U.N. agency denies.