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MOSTLY MICROBES AND INFECTIOUS DISEASES
Welcome to Mostly Microbes and Infectious Diseases. David Ojcius posts newspaper and journal articles in the broad field of microbiology.

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What really works to help an aging brain.
What really works to help an aging brain. It’s not going to function like it did in your 20s, but there are things you can do. What...
David Ojcius
Mar 7, 20211 min read


More Contagious B.1.1.7 Variant Is Spreading Fast in US, Even as Overall Cases Level Off
As US #coronavirus cases remain at a low not seen since October, the more contagious #B117 variant first reported in the UK has likely...
David Ojcius
Mar 7, 20211 min read


Mitochondria are mixed during cell division
Mitochondria must be inherited successfully as the cell divides. It turns out that 3 types of interaction with filaments of actin protein...
David Ojcius
Mar 6, 20211 min read


The Vaccine Resisters
All the studies on the #COVID19 vaccines show convincingly that the vaccines are effective at keeping the immunized from getting sick,...
David Ojcius
Mar 6, 20211 min read


"Fludemic" model accurately maps where COVID hotspots will crop up a week out
By combining private & public information, a startup says it can predict #COVID19 hot spots at neighborhood level a week out, with 92%...
David Ojcius
Mar 5, 20211 min read


Oxford study indicates AstraZeneca effective against Brazil variant, source says
Preliminary data indicates that the AstraZeneca #COVID19 vaccine is effective against the P1, or Brazilian, #coronavirus variant. The...
David Ojcius
Mar 5, 20211 min read


Researchers discover new way to halt excessive inflammation
Researchers discover a new way to "put the brakes" on excessive #inflammation by regulating macrophages. The protein Arginase-2 works...
David Ojcius
Mar 5, 20211 min read


The short-term, middle-term, and long-term future of the coronavirus
Many experts predict that the #coronavirus will become a seasonal pathogen that won’t be much more than a nuisance for most of us who...
David Ojcius
Mar 4, 20211 min read


Subseafloor Microbial Communities Survive on Products of Radioactive Process, Study Suggests
Radionuclides are ubiquitous in sediment & rock, where their decay leads to the production of hydrogen & oxidized chemicals via...
David Ojcius
Mar 4, 20211 min read


A microbial marriage reminiscent of mitochondrial evolution
Researchers describe a bacterial endosymbiont that they discovered living in a ciliate. Although associations between these types of...
David Ojcius
Mar 3, 20211 min read


What Do Vaccine Efficacy Numbers Actually Mean?
If a vaccine has an efficacy of 95%, it doesn’t mean that 5% of people who receive that vaccine will get #COVID19. And because 1 vaccine...
David Ojcius
Mar 3, 20211 min read


Merck will help to make the new one-shot Johnson and Johnson vaccine against COVID-19
#Merck will help to make the #johnsonandjohnson #COVID19 vaccine. The highly unusual agreement, brokered by the US white house, could...
David Ojcius
Mar 2, 20211 min read


The Search for Ancient (pre-pandemic) Life
#COVID19 #coronavirus #pandemics
David Ojcius
Mar 1, 20211 min read


Intermittent fasting and why when you eat makes a difference
“Intermittent #fasting” may help ward off #obesity, as expected. More speculatively, there are signs in animal studies that the regimens...
David Ojcius
Feb 28, 20211 min read


”Of all the paths you take in life, make sure a few of them are dirt”
”Of all the paths you take in life, make sure a few of them are dirt.” - John Muir Photo of hiking trail in Muir Woods, California:
David Ojcius
Feb 27, 20211 min read


Artificial Sweeteners May Play Role in Spread of Antibiotic Resistance
Four commonly used artificial sweeteners (saccharine, sucralose, aspartame & acesulfame potassium) can promote horizontal transfer of...
David Ojcius
Feb 27, 20211 min read


Yuval Noah Harari: Lessons from a year of Covid19
Best selling author of "Sapiens" and "Homo Deus", Yuval Noah Harai, explores lessons from a year of #COVID19 & what we can learn for the...
David Ojcius
Feb 27, 20211 min read


The book reopened on infectious diseases
Emerging infectious diseases represent a major challenge to human health worldwide. The risk of evolving new infectious pathogens has...
David Ojcius
Feb 26, 20211 min read


Mechanism by which exercise strengthens bones and immunity
Scientists have identified the niche in the bone marrow where new #bone & immune cells are produced. Movement-induced stimulation is...
David Ojcius
Feb 26, 20211 min read


The Pfizer vaccine can reduce coronavirus transmission after 1 dose, new study finds.
“The #COVID19 vaccine not only provides protection against becoming ill from SARSCoV2 but also helps prevent infection, reducing the...
David Ojcius
Feb 26, 20211 min read
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