Microbes, Bacteria, Viruses

AstraZeneca's vaccine is approved for use in over 20 countries.

Why U.S. Approval of the AstraZeneca Covid-19 Vaccine Is Taking So Long

An unprecedented public exchange with a data review board is the latest of AstraZeneca-Oxford vaccine’s hurdles

Balaram Khamari's “Microbial Peacock” won second place in the traditional category in the 2020 American Society for Microbiology Agar Art Contest.

How Microbiologists Craft Stunning Art Using Pathogens

Scientists mix microorganisms with agar, a jelly-like substance from seaweed, to create amazing illustrations in petri dishes

Since scientists haven’t yet found evidence that the vaccines provide mucosal immunity, someone who is vaccinated and has no symptoms of illness may be carrying the live SARS-CoV-2 virus and spreading it to others when they cough, breath or sneeze.

Why It's Important to Still Wear a Mask After Covid-19 Vaccination

Vaccinated people should still wear masks around unvaccinated individuals to prevent transmission

ENGS peaks in March during the dry season and researcher’s suspect that something within the chimps’ biology or in their environment is prompting the disease

The Mysterious Cause of a Deadly Illness in Sanctuary Chimps Revealed

Researchers identified the 100 percent fatal pathogen as epizootic neurologic and gastroenteric syndrome or ENGS

By storing data in bacteria like E. coli, the data is protected by the same machinery that the cell uses to protect its own DNA.

Scientists Write 'Hello World' in Bacterial DNA With Electricity and CRISPR

The new system shows that it's possible to encode information directly into bacteria

Intense visions and confusion about the reality of hospitalization can be especially scarring, leaving patients with intrusive thoughts, flashbacks and vivid nightmares. If such responses persist for more than one month and cause functional impairment or distress, it may be diagnosed as PTSD.

Why PTSD May Plague Many Hospitalized Covid-19 Survivors

Scientists warn about the likelihood of post-traumatic stress disorder for patients discharged from the intensive care unit

A COVID testing site at Echo Park Stadium on December 30, 2020 in Parker, Colorado. This site is nearby Ebert County, where the first case of a COVID-19 variant that is thought to be more contagious was detected in the United States.

Colorado and California Report First U.S. Cases of Highly Contagious Covid-19 Variant

First discovered in England, the variant appears to be more transmissible but does not cause a more severe case of the disease

The vaccination effort underway is the biggest in United States history.

Distribution Begins for First Covid-19 Vaccine Authorized in the United States

Pfizer-BioNTech’s vaccine received emergency use authorization from the FDA last week

Trench fever came to prominence during World War I, but new research suggests that the disease afflicted people long before the 20th century.

Before WWI, Trench Fever Plagued the Ancient Romans and Napoleonic Soldiers

Long associated with the Great War, the disease actually dates back at least 2,000 years, a new study suggests

Researchers analyze the microbiome of Leonardo's Portrait of a Man in Red Chalk (circa 1490). Housed at the Royal Library of Turin, the detailed sketch is considered by some scholars to be a self-portrait.

Hidden Microbes and Fungi Found on the Surface of Leonardo da Vinci Drawings

Researchers used new DNA sequencing technology to examine the "bio-archives" of seven of the Renaissance master's sketches

Children who have been infected with the virus often experience mild or no symptoms at all, making them less likely to get tested.

More Than 1 Million U.S. Children Have Had Covid-19 Since the Start of the Pandemic

Almost 112,000 children tested positive during a one-week period ending on November 12, the largest single week increase in coronavirus cases in kids

According to the World Health Organization, some 42 "candidate vaccines" against the coronavirus that causes Covid-19 are undergoing clinical trials.

What Is the Best Strategy to Deploy a Covid-19 Vaccine?

Mathematicians are modeling different scenarios for a vaccine rollout to see what may work best

An illustration of Legionella bacteria, the cause of Legionnaires' disease

Why Reports of Legionnaires' Disease Are on the Rise in the United States

Though less common than in the past, Legionella bacteria and other dangerous pathogens still lurk in drinking water

A 14th-century latrine in Riga, Latvia

Archaeologists Mine Medieval Toilets for Traces of Gut Microbiomes

New techniques could help researchers understand human diets in different times and places

As countries in the Northern Hemisphere enter flu season, experts are looking to patterns from Southern Hemisphere nations as a source of cautious optimism.

What to Expect When Covid-19 and the Flu Season Collide

Experts weigh in on the necessary steps to ensure a mild flu season during the pandemic

Poachers are considered unlikely culprits because the dead elephants retained their ivory tusks, which fetch top dollar on the black market.

Toxic Algae Caused Mysterious Widespread Deaths of 330 Elephants in Botswana

Officials say the pachyderms were killed by blooms of the organisms, which polluted pools of drinking water with neurotoxins

A miniature version of the Hampton Court hedge maze is one of the most complicated mazes the amoebas solved.

A Mini Version of Britain's Royal Hedge Maze Is No Match for Amoebas

The study demonstrates how cells navigate the human body to provide immunity or carry messages

University of Arizona leaders were able to prevent a potential Covid-19 outbreak by testing wastewater.

University of Arizona Stops a Covid-19 Outbreak by Following the Feces

After wastewater monitoring detected the virus in a dorm’s sewage, the school discovered and quarantined two asymptomatic infections

A robotic arm places a container with three panels of bacteria outside the International Space Station.

Scientists Discover Exposed Bacteria Can Survive in Space for Years

An experiment conducted outside the International Space Station leads to a controversial theory about how life might travel between planets

Everyone, it seems, has tried sourdough during the lockdown. But that ubiquitous jar of starter contains a dynamic microbial ecosystem that scientists are only beginning to understand.

The Scientific Secrets Behind Making Great Sourdough Bread

Scientists explain how simple steps can change a starter's microbial community and allow bakers to up their game

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