Moderna says it's working on Covid booster shot for variant in South Africa, says current vaccine provides some protection Berkeley Lovelace Jr. CNBC

Moderna said Monday it’s accelerating work on a Covid-19 booster shot to guard against the recently discovered variant in South Africa.

Why Vaccines Alone Will Not End the Pandemic New estimates suggest the vaccine rollout is no match for the severity of the U.S. outbreak, and stricter social distancing measures are needed to reduce infections. nytimes

The coronavirus pandemic in the United States has raged almost uncontrollably for so long that even if millions of people are vaccinated, millions more will still be infected and become ill unless people continue to wear masks and maintain social distancing measures until midsummer or later, according to a new model by scientists at Columbia University.

The steady drumbeat of reports about new variants of the coronavirus — first in Britain, then in South Africa, Brazil and the United States — has brought a new worry: Will vaccines protect against these altered versions of the virus?

Africa's COVID-19 case fatality rate surpasses global level Africa's coronavirus case fatality rate has risen alarmingly to 2.5%, higher than the global level of 2.2%, the head of the continent's disease control body said on Thursday. Reuters Staff U.S.

NAIROBI (Reuters) - Africa’s coronavirus case fatality rate has risen alarmingly to 2.5%, higher than the global level of 2.2%, the head of the continent’s disease control body said on Thursday.

Black doctors' group takes aim at Covid-19 vaccine hesitancy A professional society of African American doctors is trying to learn about communities' concerns — and address them. Eric Boodman STAT

In September, after the Food and Drug Administration authorized Covid-19 treatments based more on presidential puffery than on clinical data, some physicians decided to take matters into their own hands.