People who have had Covid-19 are highly likely to have immunity to it for at least five months, but there is evidence that those with antibodies may still be able to carry and spread the virus, a study of British healthcare workers found.

As many as eight gorillas at the San Diego Zoo Safari Park were presumed to have contracted Covid-19 from a human handler after one of the animals tested positive, marking the first known transmission of the virus to apes, zoo officials said.

Evidence continues to build for long-lasting immunity to Covid-19 following disease infection, with the publication of a new study showing a durable immune response as far as eight months after the initial onset of symptoms.

Los Angeles health officials told first responders to stop bringing adult patients who cannot be resuscitated to hospitals, citing a shortage of beds and staff as the latest Covid-19 surge threatened to overwhelm healthcare systems in America’s second-largest city.

U.S. Senator Mitt Romney urged the U.S. government to immediately enlist veterinarians, combat medics and others in an all-out national campaign to administer coronavirus vaccinations and slow a surging rise in Covid-19 hospitalizations and deaths.

Initially traced to about 100 cases of Covid-19 that spread across the United States, the number of infections linked to a Biogen corporate conference held in February 2020 at the Boston Marriott Long Wharf Hotel has grown exponentially and researchers estimate the total could be as many as 300,000.

California shattered records for coronavirus cases on Dec. 6 as U.S. states scrambled to impose lockdowns to stem spikes in infections and the White House’s task force coordinator decried a lack of national leadership on curbing the disease.

Nearly all social gatherings of individuals from more than a single household will be banned in Los Angeles County for at least three weeks starting Nov. 30 under new restrictions unveiled by local health officials, citing a continued surge in Covid-19 infections.

A study showed the use of convalescent plasma provided no clinical benefit nor improved mortality in Covid-19 patients with pneumonia.

The global tally of confirmed coronavirus cases hit 60 million on Nov. 25, with the pace of new infections accelerating and the United States reporting record numbers of hospitalizations, according to a Reuters tally.