WASHINGTON (Reuters) - The U.S. presidential election pits a politician who plans to tie the country's economic recovery to tackling climate change against another determined to remove as many regulatory hurdles to oil, gas and coal production as possible.

(Updates Novavax, Moderna, Pfizer/BioNTech, Sinovac, Zhifei,

NEW YORK (Reuters) - Moderna Inc said on Tuesday it plans to start a late stage clinical trial for its COVID-19 vaccine candidate on or around July 27, according to its listing for the phase 3 study at clinicaltrials.gov.

LONDON, July 14 (Reuters) - Emerging evidence that the body's immune defense against COVID-19 may be short-lived makes it even harder for vaccine developers to come up with shots fully able to protect people in future waves of infection, scientists said on Tuesday.

PARIS (Reuters) - France will in the next few weeks make it compulsory to for people to wear masks in shops and other enclosed public spaces to stop a resurgence of the COVID-19 outbreak, President Emmanuel Macron said on Tuesday.

BANGKOK (Reuters) - Thailand's Advanced Info Service Pcl said on Tuesday Huawei Technologies is among five companies tendering to build its 5G core networks.

LONDON (Reuters) - Cases of transmission of COVID-19 from pregnant mothers to their babies are rare and should not spark undue concern, experts said on Tuesday after a case study was published suggesting the novel coronavirus may be able to cross the placenta.

SAO PAULO (Reuters) - Luiz Augusto Rizzo, 29, is no specialist in infectious diseases, but he is part of perhaps the most important scientific endeavor in the world today: the hunt for a vaccine against the novel coronavirus.

BANGKOK, July 14 (Reuters) - Thailand's Advanced Info Service Pcl said on Tuesday Huawei Technologies is among five companies tendering to build its 5G core networks.