Facebook has removed 7 million coronavirus posts with false information. The posts included content that promoted fake preventative measures and exaggerated cures. (Reuters)

Teens who vape are more likely to get COVID-19 than non-vapers, a study found. Teens and young adults who used e-cigarettes were five to seven times more likely to be infected. E-cigarettes’ effect on the lungs and immune system may play a role in the chance of infection. (CNBC)

Moderna not certain about coronavirus vaccine patent exclusivity. The company said it may not have been the first company to make breakthroughs claimed in its patent applications, including those for its experimental coronavirus vaccine. (Reuters)

Johnson & Johnson could produce 1 billion doses of its COVID-19 vaccine next year. The company is also considering challenge trials, where it would inject healthy volunteers with the coronavirus to test the efficacy of the vaccine. (Reuters)

Scientists question whether Russia’s coronavirus vaccine is safe and effective. Russia approved the vaccine after completing phase 2 trials, with phase 3 trials expected to begin this week. Experts say the data from late-stage trials is critical to determining whether a medicine is safe. (CNBC)