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tag south africa disease medicine evolution microbiology

A person lying on a bed checks the reading on a digital thermometer. A table with a bowl of oranges and various medications is in the background.
How Mild Is Omicron Really?
Dan Robitzski | Jan 14, 2022 | 9 min read
Early reports that Omicron causes less-severe disease than Delta seem to be borne out, but it’s not yet clear to what extent that’s due to the variant itself versus the populations it’s infecting.
Woman in face shield and blue gown taking cotton swab of patient's mouth while patient sits inside of car
What You Should Know About New Omicron Subvariants
Natalia Mesa, PhD | May 17, 2022 | 6 min read
The presence and spread of new, more-infectious and immune-evading variants show that the coronavirus is not done mutating.
New SARS-CoV-2 Variant Could Evade Antibodies
Lisa Winter | Jan 22, 2021 | 3 min read
A preprint casts doubt on vaccine effectiveness in light of certain mutations in the 501Y.V2 variant that emerged from South Africa.
a vial of cobra venom and a bacteri-covered agar plate
Study Questions Sterility of Snake and Spider Venoms
Christie Wilcox, PhD | Jan 31, 2022 | 8 min read
In work that has not yet been peer-reviewed, researchers present evidence that microbes can and do live inside the venom glands of several dangerous species. It remains unclear whether they’re to blame for infections linked to bites.
wheat blast fungus zambia Magnaporthe oryzae pathotype Triticum
Wheat Blast Arrives in Zambia, First Time in Africa
Munyaradzi Makoni | Oct 19, 2020 | 4 min read
Experts fear the fungal pathogen will spread to other African countries, threatening wheat production.
Lab in South African “Township” to Sample TB from Breathed Air
Linda Nordling | Mar 8, 2019 | 5 min read
A new facility located in a congested community with high tuberculosis rates brings basic science and cutting edge techniques into the heart of disease circulation.
metallic-looking illustration of coronavirus structure
How the Omicron Subvariant BA.5 Became a Master of Disguise—and What It Means for the Current COVID-19 Surge
Suresh V. Kuchipudi, The Conversation | Jul 26, 2022 | 4 min read
Several mechanisms contribute to the increased transmissibility of this SARS-CoV-2 variant.
An Eclectic Look at Infectious Diseases
Ricki Lewis | Aug 20, 2000 | 7 min read
Graphic: Cathleen Heard A week after the controversial XIII International AIDS Conference in Durban, South Africa, a much smaller gathering in Atlanta took a broader view of the current emergence and reemergence of many infectious diseases. The International Conference on Emerging Infectious Diseases 2000, held July 16-19, attracted more than 2,000 attendees representing 35 nations. The Centers for Disease Control and Prevention (CDC), the American Society for Microbiology, the Council of State
An illustration of green bacteria floating above neutral-colored intestinal villi
The Inside Guide: The Gut Microbiome’s Role in Host Evolution
Catherine Offord | Jul 1, 2021 | 10+ min read
Bacteria that live in the digestive tracts of animals may influence the adaptive trajectories of their hosts.
a newly hatched mosquito sits on top of water, with its discarded cocoon floating below
In Vitro Malaria Sporozoite Production May Lead to Cheaper Vaccines
Katherine Irving | Jan 20, 2023 | 4 min read
A method for culturing the infectious stage of the Plasmodium lifecycle could increase malaria vaccine production efficiency by tenfold, study authors say.

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