Third dose of COVID-19 vaccine being tested to fend off variants. Plus, today's virus updates. - Crossroads Today

Dozens of Americans are rolling up their sleeves for a third dose of COVID-19 vaccine -- this time, shots tweaked to guard against a worrisome mutated version of the virus.

Dozens of Americans are rolling up their sleeves for a third dose of COVID-19 vaccine — this time, shots tweaked to guard against a worrisome mutated version of the virus.

But new studies of experimental updates to the Moderna and Pfizer vaccines mark a critical first step toward an alternative if the virus eventually outsmarts today’s shots.

Some want officials to target vaccine supplies to five hotspots where 197,000 people have tested positive in the past week.

Plus, Texas says no to vaccine passports, while California joins states lifting pandemic restrictions.

Read the story, then take our quiz to see if you can separate COVID-19 fact from social media fiction

Virus updates: Pfizer says vaccine protects at least 6 months; Japan fighting rise in cases as Olympics near; Sarah Palin confirms COVID diagnosis, urges mask-wearing