LONDON – Six weeks on from the initial alert, “the window of opportunity” to control the COVID-19 epidemic is “narrowing,” according to the latest assessment from World Health Organization (WHO) Director General Tedros Adhanom Ghebreyesus.

BEIJING – Multiple China-based clinical trials have been put on hold as the country concentrates on its fight against COVID-19. To curb the spread of the novel coronavirus that has infected over 72,000 people and killed nearly 2,000, China has imposed travel and transport restrictions, making trips difficult or even impossible for patients and physicians.

SEATTLE – Tracing the family tree of COVID-19 through its evolving DNA sequence makes it possible to disprove many false claims circulating on social media about the novel coronavirus, and, in particular, that it was generated in a covert biological weapons program. “From everything I’ve looked at, there is zero evidence for genetic engineering; it looks like normal evolution,” said Trevor Bedford, a computational biologist at Fred Hutchinson Cancer Research Center, who has been using genomes sequences taken from patient samples to track the spread of the virus since Jan. 11.

Medtronic plc, of Dublin, blamed dampened demand for heart devices ahead of new product launches for its third-quarter revenue miss. Fiscal 2020 Q3 revenue totaled $7.72 billion, below Wall Street’s estimate of $7.81 billion, for organic sales growth of 2.6% vs. consensus and guidance of 4% or higher.