Africa

Pfizer isn’t sharing Covid vaccines with researchers for next-gen studies Researchers studying next-gen vaccines to fight an evolving Covid threat are running into problems getting existing vaccines to use in their research. Rachel Cohrs STAT

WASHINGTON — Researchers studying next-generation vaccines to fight an evolving Covid-19 threat are running into problems getting existing vaccines to use in their research.

Covid-19 Pandemic Timeline Fast Facts Read CNN's Fast Facts about the coronavirus outbreak, declared a pandemic by the World Health Organization. CNN Editorial Research CNN

Time line:

(CNN) Here's a look at the coronavirus outbreak, declared a pandemic by the World Health Organization. The coronavirus, called Covid-19 by WHO, originated in China and is the cousin of the SARS virus.

 ...  (dates of important developments follow)

10 key questions about monkeypox the world needs to answer Monkeypox is not a new disease. But scant attention paid to it for decades means there are big unanswered questions about the disease and the virus that causes it. Megan Molteni STAT

...