CDC Director Dr. Rochelle Walensky said that reopened schools struggling with large-scale Covid outbreaks generally aren't following federal guidelines.
Dr. Ezekiel Emanuel told CNBC on Friday the coronavirus will start "dying out" once more Americans, especially those under the age of 12, get vaccinated.
The risk of rare blood clotting is significantly higher as a result of catching Covid-19 than it is from being vaccinated against the virus, a major study has found.
The world economy could lose $2.3 trillion because of delayed vaccinations, with developing nations losing the most, the Economist Intelligence Unit said.
2020 saw the highest concentration of greenhouse gases in Earth's atmosphere on record, along with unprecedented global sea levels and average global temperatures.
Tesla has also built several utility-scale energy storage systems around the world, but typically hasn't functioned as the retail electricity provider there.