A new study shows Regeneron’s antibody cocktail can offer strong protection against Covid-19, but Regeneron’s antibody cocktail still needs FDA approval for the drug to be used for preventative use. Meg Tirrell reports. Iran is accusing Israel of sabotaging an important nuclear facility. Iran is now vowing revenge. Israel has not officially taken responsibility. NBC’s Aymen Mohyeldin reports on why there’s been an increased number of migrants at the U.S.-Mexico border. People are angry after a Minneapolis police officer said she accidentally shot and killed 20-year-old Daunte Wright when she really meant to pull out her taser. NBC’s Ron Allen reports. Plus, how to protect your private data when getting a Covid shot.