Big pharmacy chains worked with pharma companies to promote opioids, according to court filings. Pharmacies including CVS, Rite Aid, Walgreens, Walmart and Giant Eagle worked with companies like Purdue Pharma and Endo to promote opioids and encourage patients to stay on their opioid prescriptions. (The New York Times)

European governments have banned the use of hydroxychloroquine in COVID-19 patients. The governments of France, Italy and Belgium have banned the drug in these patients due to safety concerns. The World Health Organization also halted a global trial of the drug. (Reuters)

AstraZeneca is testing a diabetes drug to treat COVID-19. A trial is testing 900 hospitalized coronavirus patients with the drug, Farxiga, and results are expected by December. Some doctors, however, are urging patients to stop taking the drug because of the risk of diabetic ketoacidosis. (Reuters)

Screenings for colorectal cancer have dropped by 90% due to the pandemic, according to research from Komodo Health. New diagnoses for the cancer also fell by 32% from mid-March to mid-April. (Reuters)

Half of Americans would get a coronavirus vaccine, according to a survey from The Associated Press-NORC Center for Public Affairs Research. About one third were unsure and about 20% would refuse a vaccine. (Associated Press)