U.S. health officials on May 6 said they are investigating 109 cases of severe hepatitis of unknown origin in children, including five reported deaths, updating a nationwide alert issued in April for doctors to be on the lookout for such cases of the liver disease.

Almost three times as many people have died as a result of COVID-19 as official data show, according to a new World Health Organization (WHO) report, the most comprehensive look at the true global toll of the pandemic so far.

China’s commercial capital of Shanghai was dealt a blow on May 2 as authorities reported 58 new COVID-19 cases outside areas under strict lockdown, while Beijing pressed on with testing millions of people on a May Day holiday few were celebrating.

Following the record surge in COVID-19 cases during the Omicron-driven wave, some 58 percent of the U.S. population overall and more than 75 percent of younger children have been infected with the coronavirus since the start of the pandemic, according to a U.S. nationwide blood survey released on April 26.

Pharmacy chain Walgreens Boots Alliance and other defendants on April 26 said they were not to blame for the opioid crisis in San Francisco, and that they acted responsibly when providing legal medications to patients in pain.

Deaths associated with Astellas Pharma’s gene therapy program for patients with X-linked Myotubular Myopathy underscore some of the risks of developing potential one-and-done treatment options for serious diseases.

COVID-19 was the third leading cause of death in the United States for the second year in a row in 2021, with death rates rising for most age groups, a government study showed on April 22.

COVID-19 cases and deaths are declining in the Americas, the Pan American Health Organization (PAHO) said on April 20, with infections last week having dropped 2.3 percent and deaths falling 15.2 percent from the prior week. The broad trend comes even as cases have scaled up in North America with an 11.2 percent increase last week, the organization said.

Unvaccinated people infected with the Omicron variant are unlikely to develop immune responses that will protect them against other variants of the coronavirus, a new study suggests. Additionally, the average number of global deaths from COVID-19 were 6 percent higher on weekends compared to weekdays throughout the pandemic, according to statistics reported to the World Health Organization between March 2020 and March 2022.

India’s tally of daily COVID-19 cases nearly doubled on April 18 from the previous day to more than 2,000 for the first time in a month, government data showed, and the southern state of Kerala reported a big jump in deaths.