A California judge on Nov. 1 said he would rule against several large counties that accused four drugmakers of fueling the U.S. opioid epidemic, saying they failed during a trial to prove their $50 billion case.

Bayer AG won a trial over claims the company’s Roundup weedkiller causes cancer after a California jury found that the herbicide was not a substantial cause of a child’s rare form of non-Hodgkin’s lymphoma. The verdict is the fourth involving Roundup and the first in the German drugmaker’s favor.

Teva Pharmaceutical Industries temporarily halted drug production at the company’s Irvine plant in California to address issues raised by the U.S. Food and Drug Administration after a recent inspection, the company said on Oct. 4.

Data from Johns Hopkins University demonstrate that daily Covid-19 infections increased 316 percent from Labor Day 2020, or about four times more.

Racho Jordanov and Rose Lin, the septuagenarian co-founders of Taiwanese biotech company JHL Biotech, were convicted Aug. 26 of conspiring to steal trade secrets related to four Genentech (Roche) blockbuster cancer and cystic-fibrosis drugs. The pair were also found guilty of wire fraud.

The number of coronavirus patients in U.S. hospitals breached 100,000, the highest level in eight months, according to the Department of Health and Human Services, as a resurgence of Covid-19 spurred by the highly contagious Delta variant strains the nation’s health care system.

A new study may help explain why mRNA vaccines by Pfizer/BioNTech and Moderna are more effective at preventing hospitalizations and deaths than they are at preventing infection. In another study, preliminary data suggests certain cancer drugs may help protect patients with malignancies from being infected with the new coronavirus.

Some 25 percent of SARS-CoV-2 infections among Los Angeles County residents occurred in fully vaccinated residents from May through July 25, a period that includes the impact of the highly transmissible Delta variant, U.S. officials reported on Aug. 24.

Fans attending baseball, football and outdoor music events in Los Angeles County will be required to wear a mask starting on Aug. 20 regardless of their vaccination status, according to an order on Aug. 17 from the health department.

Bayer, trying to contain billions of dollars in legal costs, filed a petition with the U.S. Supreme Court to reverse an appeals court verdict that upheld damages to a customer blaming his cancer on the German group’s glyphosate-based weedkillers.