Bhubaneswar, Nov. 26 -- New York: US President-elect Joe Biden renewed his call to Americans to "hang on!", mask up and limit social gatherings until the coronavirus vaccine is available at population scale.

"We have to try to slow the growth of the virus. We owe that to the doctors, the nurses, and the other front-line health care workers who have risked so much and heroically battled this virus for so long," Biden said in his Thanksgiving message to the nation ahead of a long weekend that traditionally features large family gatherings and a burst of cross country travel.

Biden promised to "change the course of the disease" soon after his inauguration, on January 20, 2021.

"More testing will find people with cases and get them away fr...