Disease

Though current variants don't appear to jump from deer to humans, monitoring how the virus spreads through deer populations could be critical for public health.

Discovery of Omicron in New York Deer Raises Concern Over Possible New Variants

White-tailed deer could become a reservoir for Covid-19, putting people and animals at risk

Properly fitted N95 masks should filter 94-95 percent of viral particles.

What You Need to Know About Covid Masks in the Age of Omicron

From what to wear to how to avoid counterfeits, experts weigh in on the latest advice about masks and Covid-19

Reconstruction by an artist of the toilet room that stood in the garden of the Armon Hanatziv royal estate

Ancient Toilet Unearthed in Jerusalem Shows Elite Were Plagued by Intestinal Worms

Mineralized feces chock-full of parasitic eggs indicate that it wasn’t the lower classes alone who suffered from certain infectious diseases

Anthony Fauci (left), director of the National Institute of Allergy and Infectious Diseases and chief medical advisor to the President, listens as President Joe Biden (right) delivers remarks on the Omicron Covid-19 variant. Fauci has warned that Omicron could reach most of the population.

Seven Key Questions About Omicron Answered

As the variant spreads and more studies have been done, experts share what they know

In the last two decades, cases of Lyme disease in the U.S. have tripled. In one year, 476,000 individuals come down with flu-like symptoms accompanied by a distinct bulls-eye rash.

Lyme-Spreading Ticks May Thrive in Warmer Winter Conditions Across North America

In a new study, insects carrying the disease were more likely to survive cold or fluctuating temperatures than their uninfected peers

Only three substances—clove extract, tolfenamic acid, and pyritinol—showed slightly more symptom relief than the placebo.

From Korean Pear Juice to Clove Extract, Scientists Put Hangover Cures to the Test—but None Worked

Researchers examined 23 different at-home treatments for side effects of heavy drinking

Cat owners can keep themselves, their pets, and wildlife safe by keeping their feline indoors.

Outdoor Pet Cats Are Spreading a Brain Parasite to Wildlife

It is one of the most common parasites in the world and has infected approximately one-third of people globally, including some 40 million Americans

A booster shot is administered in Stony Brook, New York in November. Such a shot can help spur a person’s immune system to ramp up defenses against Covid-19.

Six Questions About Waning Immunity to Covid-19 Answered

Experts weigh in on when a reduced immune response occurs and how boosters can help restore defenses

The letter will be sold alongside a portrait of the Russian empress on December 1.

Catherine the Great Letter Extolling the Virtues of Vaccination Is Up for Auction

The Russian empress, who was inoculated against smallpox in 1768, was an early proponent of the practice

Experts aren’t recommending one jab over the other, instead advising individuals to make the decision be made based on personal factors.

CDC Panel and FDA Authorize Covid-19 Boosters for All Adults

Americans 18 and older will be eligible for a booster shot of their choice, pending approval from CDC Director Rochelle Walensky

The Roman elite viewed public toilets as an instrument that flushed the filth of the plebes out of their noble sight.

How the Ancient Romans Went to the Bathroom

A new book by journalist Lina Zeldovich traces the management of human waste—and underscores poop's potential as a valuable resource

The skin patch vaccine is administered by a pocket-sized device with 5,000 needle-like projections.

Could Skin Patches Be the Future of Covid Vaccines?

The device might survive longer storage times and pose a better option for people afraid of needles

Survivors received “fever passes” that certified their immunity, allowing them increased freedom of movement at a time when a substantial portion of the population was being held under strict quarantine.

In 19th-Century Gibraltar, Survivors of a Deadly Virus Used 'Fever Passes' to Prove Their Immunity

Should historic health officials' response to yellow fever outbreaks on the Iberian Peninsula serve as a model for modern pandemic management strategies?

More than half of koalas admitted to Australia Zoo Wildlife Hospital are sick with chlamydia. 

Australia Begins Vaccinating Hundreds of Koalas Against Chlamydia in New Trial

The infection affects at least half of koalas living in southeast Queensland and New South Wales

The antiviral drug molnupiravir is in Phase 3 trials.

Seven Important Questions About Covid Antivirals Answered

New medicines may stop the virus from replicating so your immune system can fight a few viral soldiers instead of an army

In 2019 alone, malaria killed 400,000 people, with most individuals residing in sub-Saharan Africa. Children under five are more vulnerable to the detrimental effects of malaria, and most deaths occur within this age group.

The World Health Organization Endorses the World's First Malaria Vaccine

Four doses of the vaccine Mosquirix prevents the risk of the mosquito-borne disease by 40 percent

A public art installation commemorating Americans killed by Covid-19 on the National Mall featuring more than 650,000 small plastic flags, some with personal messages to those they’ve lost.

More Than 700,000 Americans Have Now Died of Covid-19

There have been over 100,000 deaths since mid-June despite widespread vaccine availability

A new study reveals life expectancy in many counties fell by more than 6 months from 2019 to 2020 due to the Covid-19 pandemic.

In Western Europe, Covid-19 Caused the Biggest Drop in Life Expectancy Since World War II

The study authors say the pandemic may have an even greater impact on life spans in less developed countries that were not included in the research

Children head back to school in August even as the Covid-19 delta variant makes its rounds. For reasons that aren’t fully understood, kids do not get as sick from Covid-19 as adults do. The role of schools in fostering spread of the virus is also under study.

Why Don't Kids Tend to Get as Sick From Covid-19?

Some children have been hospitalized and some have died, but at a tiny fraction of the adult rate. Scientists are trying to find out why.

Early trials show a second dose of the J&J Covid-19 vaccine after six months later provides a promising antibody response.

Johnson & Johnson Says Extra Shot Gives Promising Immune Boost

Those who got the one-shot Covid-19 vaccine could benefit from a booster after eight months, according to the company

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