A combination shot for flu and COVID-19 using messenger RNA generated antibodies in a company-funded study.

Moderna says its COVID-19 vaccine works in babies, toddlers and preschoolers.

Moderna is scaling back expectations for the number of COVID-19 vaccine deliveries it expects to make this year and the revenue it will record from them.

Warning of tough days ahead with surging COVID-19 infections, the director of the National Institutes of Health says the U.S. could decide in the next couple weeks whether to offer coronavirus booster shots to more Americans this fall.

Moderna President Dr. Stephen Hoge says his company is working on developing COVID-19 vaccine booster shots while also trying to harness the genetic code technology it helped pioneer to fight other diseases.

Moderna said its vaccine appears to be 94.5% effective, according to preliminary data from an ongoing study. Moderna’s vaccine is being studied in 30,000 volunteers who received either the real thing or a dummy shot. Earlier this year, Fauci said he would be happy with a COVID-19 vaccine that was 60% effective. Moderna’s vaccine also starts off frozen, but the company said Monday it can be thawed and kept in a regular refrigerator for 30 days, easing that concern. Both Moderna's shots and the Pfizer-BioNTech candidate are so-called mRNA vaccines, a brand-new technology.

Asian shares rose Tuesday, after the Dow Jones Industrial Average hit a record high on optimism that a vaccine may soon control the coronavirus and the economic destruction it’s caused. Moderna said its COVID-19 vaccine appears to be 94.5% effective, according to preliminary data. Japan's benchmark rose 0.2% to 25,968.22 in morning trading, after momentarily reaching a 29-year high of above 26,000. “Asia-Pacific markets continue to bask under the vaccine glow.”Even as a fresh surge of COVID-19 infections hit Japan, the economy marked a rebound in the third quarter. For 2021, Fitch projects a return to 2.7% growth in 2021, which is better than its earlier forecast for 2.1% growth.