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.

Severe obesity may weaken the effectiveness of COVID-19 vaccines in those who have never been infected with the coronavirus, according to a small Turkish study. Additionally, South African researchers have found infection with the Omicron variant of the coronavirus can significantly improve the immune system’s ability to protect against other variants, but only in people who have been vaccinated.

Bausch + Lomb was valued at $6.48 billion in the company’s U.S. market debut on May 6 as the eye-care company’s shares opened nearly 3 percent above an offer price that was well below the targeted range.

Novartis temporarily suspended the production of the company’s Lutathera and Pluvicto cancer therapies at facilities in Italy and New Jersey after potential quality issues were discovered in their manufacturing.

Walgreens Boots Alliance reached a $683 million settlement with Florida to resolve claims that the pharmacy chain exacerbated an opioid epidemic in the state.

World Health Organization states will consider a resolution against Russia next week after its invasion of Ukraine, including the possible closure of a major regional office in Moscow, a document obtained by Reuters showed on May 5.

Heart to Heart International (HHI), a global humanitarian organization focused on improving access to health, announced a partnership with Intouch Group, an EVERSANA Company, to support improvements to community health clinics in both Kansas City and Chicago.

Valneva

Valneva said on May 4 the French drugmaker will conduct a trial about the use of the company’s COVID-19 vaccine candidate VLA2001 as a booster jab following a mRNA vaccination or natural infection.

COVID-19 cases in the Americas increased by 12.7 percent last week from the prior week, the Pan American Health Organization (PAHO) said on May 4, as infections continued to rise in Central and North America.

Abortion protestors

Protesters rallied under the slogan “off our bodies” in cities across the United States on May 3, demanding abortion rights be protected after the leak of a draft Supreme Court opinion that would overturn the landmark 1973 Roe v. Wade decision.