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How long is someone with COVID contagious?

WBZ-TV's Dr. Mallika Marshall reports.

Aug 4, 2022 (01:36)

Next Weather: WBZ morning forecast for Oct. 20, 2026

Next Weather: WBZ morning forecast for Oct. 20, 2026

Franklin couple discovers surprising connection while planning wedding

Franklin couple discovers surprising connection while planning wedding

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Next Weather: WBZ Update

Republican candidate for Mass. Lt. Gov. suspends campaign after drunk driving charge

Republican candidate for Mass. Lt. Gov. suspends campaign after drunk driving charge

Car crashes through fences before hitting home in Jamaica Plain

Car crashes through fences before hitting home in Jamaica Plain

Boston doctor urges people to get flu shot as hospital sees uptick

Boston doctor urges people to get flu shot as hospital sees uptick

Donnie Wahlberg on jet that went off Las Vegas runway, hit fence

Donnie Wahlberg on jet that went off Las Vegas runway, hit fence

Top 8 "Voice of Logan" finalists revealed

Top 8 "Voice of Logan" finalists revealed

Text messages between Matthew Farwell and Sandra Birchmore read during trial

Text messages between Matthew Farwell and Sandra Birchmore read during trial

Car crashes into home in Jamaica Plain

Car crashes into home in Jamaica Plain

Boston Pops celebrate Day of the Dead with concert and Disney's "Coco"

Boston Pops celebrate Day of the Dead with concert and Disney's "Coco"

Kayem recalls more than 1.5 million pounds of food

Kayem recalls more than 1.5 million pounds of food

Manchester police investigate hateful graffiti across three neighborhoods

Manchester police investigate hateful graffiti across three neighborhoods

Somerville turns to "Neighborways" to slow cut-through traffic

Somerville turns to "Neighborways" to slow cut-through traffic

Next Weather: WBZ evening forecast for October 19, 2026

Next Weather: WBZ evening forecast for October 19, 2026

Massachusetts ballot Question 1 aims to expand public records law

Massachusetts ballot Question 1 aims to expand public records law

Mass. Lt. Gov. candidate Shawn Oliver pleads not guilty after alleged drunk driving crash

Mass. Lt. Gov. candidate Shawn Oliver pleads not guilty after alleged drunk driving crash

Next Weather: WBZ midday forecast for Oct. 19, 2026

Next Weather: WBZ midday forecast for Oct. 19, 2026

Shawn Oliver pleads not guilty after arrest leads to exit from Mass. Lt. Gov race

Shawn Oliver pleads not guilty after arrest leads to exit from Mass. Lt. Gov race

Graphic texts between Sandra Birchmore and Matthew Farwell revealed at trial

Graphic texts between Sandra Birchmore and Matthew Farwell revealed at trial

Donnie Wahlberg on board plane that went off Las Vegas runway and hit fence

Donnie Wahlberg on board plane that went off Las Vegas runway and hit fence

Next Weather: WBZ morning forecast for Oct. 19, 2026

Next Weather: WBZ morning forecast for Oct. 19, 2026

Next Weather: WBZ Update

Next Weather: WBZ Update

2 Boston police officers injured while taking theft suspect into custody

2 Boston police officers injured while taking theft suspect into custody

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