Expert: Omicron Will Displace Delta Variant In The Coming Weeks

Omicron will become the dominant strain of the coronavirus in the U.S. in as little as 6 to 8 weeks, according to one expert.

• Dec 7, 2021

Study: COVID Vaccines Less Protective Against Delta Infection, But Still Reduce Risk By Two-Thirds

The study is in line with others from the US and around the world showing Delta's increased tendency to cause largely minor infections among fully vaccinated people.

• Aug 24, 2021

Delta Variant Making It Harder To Reach COVID-19 Herd Immunity

Because the Delta variant spreads so easily, some believe that percentage for COVID-19 herd immunity is now closer to 80%, perhaps even as high as 90%.

• Aug 4, 2021

Large Outdoor Events Like Concerts Remain Safe Despite COVID Concerns, Experts Say

Concerts are returning to places such as Fenway Park as health officials warn of concerns surrounding the COVID Delta variant.

• Aug 3, 2021

'Masks And Vax Required': Some Massachusetts Businesses Taking COVID Precautions Into Own Hands

Some Massachusetts businesses are requiring customers to wear masks, or in some cases show their vaccination card.

• Aug 2, 2021

CDC Says 'Pivotal Discovery' In Provincetown COVID Cluster Led To Mask Guidance Change For Fully Vaccinated People

CDC Director Rochelle Walensky confirmed Friday that the agency relied on data from the Provincetown COVID cluster to update its guidance for fully vaccinated people to start wearing masks again in some indoor settings.

• Jul 30, 2021

Pfizer Data Suggests Third Dose Of COVID-19 Vaccine 'Strongly' Boosts Protection Against Delta Variant

New data from Pfizer claims a third dose of its' COVID-19 vaccine can "strongly" boost protection against the Delta variant, beyond the protection from the standard two doses.

• Jul 28, 2021

Stock Market Plummets Amidst Growing Fears Of COVID's Delta Variant

Does the huge drop in the Dow Jones and other indices mark the end of a historic run that dates back to the pandemic's early days?

• Jul 19, 2021