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Blood Test

'Forever chemicals' found in some firefighters who battled LA fires

  • May 16, 2025

Blood test for colon cancer screening approved by FDA

  • Jul 30, 2024

TB testing urged for visitors to Bay Area's California Grand Casino

  • Nov 3, 2023

New HIV case linked to 'vampire facial' at shuttered New Mexico spa

  • Jul 9, 2023

Red Cross declares national blood crisis amid Omicron surge

  • Jan 12, 2022

LA County again breaks single-day record for COVID cases with 45,584

  • Jan 10, 2022

LA County reports another 34,448 cases of COVID-19

  • Jan 9, 2022

Does having high COVID antibody level mean you don't need a booster?

  • Jan 8, 2022

Latest Videos

0:29

Study shows a blood test can help identify healthy people at high risk for Alzheimer's disease

  • Jul 15
2:36

FDA approves blood test to detect colon cancer for those at 'average risk'

  • Jul 29, 2024
2:01

Red Cross declares national blood crisis amid Omicron surge

  • Jan 12, 2022
2:59

LA County again breaks single-day record for COVID cases with 45,584

  • Jan 10, 2022
0:56

LA County again breaks single-day record for COVID cases with 45,584

  • Jan 10, 2022
0:26

LA County reports another 34,448 cases of COVID-19

  • Jan 9, 2022
2:10

Does having high COVID antibody level mean you don't need a booster?

  • Jan 8, 2022
1:57

Free COVID-19 antibody testing provides donors with incentive to give blood

  • Jun 16, 2020

Latest Stories

New test can tell if you've had coronavirus in the past

Here's what we know about the first widely available test of its kind that can tell whether someone has been infected with COVID-19 months after the fact.

  • Mar 15, 2021

Coronavirus pandemic: Red Cross' free COVID antibody testing provides incentive to donate blood

With more people undergoing elective surgeries, the American Red Cross is dealing with an urgent need for blood donations. Now, they're offering a new service to donors: a chance to find out if they have been infected with Covid-19.

  • Jun 16, 2020

Coronavirus antibody tests useful - but not all are reliable, LA doctor says

Coronavirus antibody tests can determine if someone was previously infected, but many available tests are not fully reliable, according to the head of a Los Angeles clinic.

  • Apr 21, 2020

Some antibody tests for COVID-19 previous infection can give false results, experts say

Some antibody tests which aim to determine if a person has already been exposed to, and has recovered from, COVID-19, can give false results, experts say.

  • Apr 19, 2020

COVID-19 antibody testing begins in Los Angeles County at multiple undisclosed locations

COVID-19 antibody testing is being conducted in Los Angeles County to determine the likely number of people in the county who already contracted the virus.

  • Apr 11, 2020