How dosage is determined for the COVID-19 vaccine
Kawsar Talaat, a vaccinologist at the Johns Hopkins Bloomberg School of Public Health explains how vaccine scientists determine the correct dose for the COVID-19 vaccine.
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How dosage is determined for the COVID-19 vaccine
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From the Archives
Consumer & Money
Inflation rises, economy slows as Iran war continues
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Musk, SpaceX moving to launch highly anticipated IPO
Nvidia earnings surpass expectations amid AI chip boom
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Trump makes historic visit to China for talks with Xi
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Energy costs push inflation higher as war continues
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Trump on suspending federal gas tax
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U.S. added 115,000 jobs in April, beating expectations
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Science & Tech
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Officer hoisted into crocodile-infested waters to recover human remains
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Trump hosts Artemis II astronauts at White House
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NASA prepares for Orion spacecraft’s return to Earth
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Police Chases
High-speed Los Angeles chase ends with shootout
LAPD chases restraining order violation suspect
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Police chase suspect takes off on foot
Suspect rams cars out of way
Suspect carjacks 3 vehicles during hour-long pursuit
High-speed motorcycle chase ends in violent crash
Viewer discretion: High-speed chase ends in crash
Pursuit leads to standoff in Hollywood Hills area
L.A. stolen car chase ends with suspect fleeing
Police pursue assault suspect in LA County
LAPD pursuit of carjacking subject ends on foot
Police chase in LA County ends with arrest
LA police pursuit ends with shootout on live TV
Gold minivan leads police on slow-moving chase
Northern L.A. pursuit ends with off-road accident
L.A. stolen-car chase ends with foot-pursuit arrest
Woman arrested after high-speed chase in California
Bus leads police on high-speed chase
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Weather Across the Country
Cars stuck in Atlanta flash flooding after heavy rain
Lava spews from Hawaii's Kilauea Volcano
Camp Mystic told to revise emergency plans to reopen
Early predictions for 2026 hurricane season
Hawaii continues to recover after historic flooding
Historic flooding in Hawaii prompts evacuations
Major heat wave shatters record highs in Southwest
Tornadoes, dangerous storm system slam Midwest
3 dead after tornado sweeps through Michigan
Hochul gives update on winter storm in New York
Historic blizzard forecasted to slam Northeast
Blizzard conditions expected for California mountains
Powerful coastal storm developing this weekend
Winter storm: Power outages persist, flights grounded
Beet juice used as eco-friendly option to avoid icy roadways
Millions brace for major winter storm in the US
Possible historic winter storm to impact millions
Winter weather impacts millions amid holiday travel
Powerful snow storm nears Northeast
