Richard Harris
Stories
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Health
Could A Single-Dose Of COVID-19 Vaccine After Illness Stretch The Supply?
People who have been sick with COVID-19 may need only one dose of the normally two-shot vaccines. If that became policy it could extend vaccine supplies, but logistical challenges are daunting.
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Health
Vitamin C Fails Again As Treatment For Sepsis
Sepsis is one of the most common causes of death for hospitalized patients. The search for an effective treatment has been frustrating.
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Health
Vitamin C Apparently Not Useful For Sepsis After All
A seemingly easy and cheap treatment for a deadly disease has failed in a major study. Vitamin C is apparently not useful for sepsis after all. That's a lesson for similar COIVD-19 treatments.
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Health
Long-Term Studies Of COVID-19 Vaccines Hurt By Placebo Recipients Getting Immunized
Researchers are trying to learn more about COVID-19 vaccines from original study participants. The quest is hampered because many people who first received a placebo shot are opting for the vaccine.
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National
How Herd Immunity Works — And What Stands In Its Way
Scientists say the pandemic will only end in the U.S. when we achieve what's called herd immunity. Play with our simulations to see how immunity can stop an outbreak in its tracks.
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Health
A Rocky Road On The Way To Herd Immunity For COVID-19
At least 70% of people will need to be immune from the coronavirus before COVID-19 can recede through a process known as herd immunity. Vaccines can play a role. But reaching the goal won't be easy.
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Health
3 Questions And The Emerging Answers About COVID-19 Vaccine Protection
First, can someone who has been vaccinated still spread the disease? Second, will the vaccine remain effective as the virus itself evolves? And third, how long will the vaccine's protection last?
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Health
Doctors Encouraged By Antibody Treatments For COVID-19
While logistical challenges have hampered use of antibody drugs to treat people with mild-to-moderate COVID-19, recent results show the medicines can be worthwhile.
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National
Doses Of Antibody Drugs Remain Unused As They Present Various Challenges
Monoclonal antibody drugs for COVID-19 with mild to moderate symptoms are not widely used, in part because doctors aren't sure they work. New data could provide more confidence in these drugs.
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Health
Low Demand For Antibody Drugs Against COVID-19
Monoclonal antibodies to prevent severe COVID-19 aren't being used as widely as expected. Medical staff shortages and patient transportation problems are two of the reasons.