arly in the pandemic, some believed that the arrival of summer would make COVID-19 cases drop, much like the flu. In March 2020, Brazil’s president
Several RNA viruses can establish life-long persistent infection in mammalian hosts, but the fate of individual virus-infected cells remains undefined. Here we used Cre recombinase–encoding
We conducted postmortem high-resolution magnetic resonance imaging (magnetic resonance microscopy) of the brains of patients with coronavirus disease 2019 (Covid-19) (median age, 50 years) and
P atients have tested positive for SARS-CoV-2 genetic material after apparently recovering from infection with the virus and being discharged from the hospital, according to
Several years ago, Richard Neher, an evolutionary biologist at the University of Basel in Switzerland, and his colleagues wanted to monitor changes to the flu’s
According to a February 11 report from the Chinese Center for Disease Control and Prevention, the coronavirus known as 2019-nCoV has infected more than 42,000
As of today (January 23), 18 people have died from a newly identified coronavirus, and more than 630 have been infected. Airports are screening passengers
A mysterious new type of pneumonia linked to a seafood market in Wuhan, China, is caused by a novel coronavirus, Chinese state media reported today
As early as the 1990s, researchers proposed that a very common type of herpes virus—then known as human herpesvirus 6 (HHV6)—could be somehow involved in
To stem a growing polio crisis, health officials are accelerating the development of a new oral vaccine with plans for emergency approval and deployment in
Nigeria, Democratic Republic of Congo, Central African Republic, and Angola have experienced nine new cases of polio caused by the live virus in oral polio
An antiflu medication first approved in Japan in 2018 and given the green light later that year in the US may be fostering the emergence
In a large trial, a dengue immunization developed by Takeda Vaccines reduced the number of dengue by more than 80 percent relative to a control
Children who survive measles are protected against future measles infections, but have such diminished immunity that they may be left vulnerable to other pathogens, according
In the first half of 2019, there were about 90,000 reported measles cases in children and adults in Europe, according to a report released by
A treatment regimen for extensively drug-resistant tuberculosis could help stem the growing problem of hard-to-treat TB infections in developing countries, according to the Associated Press.
Researchers in Uganda are set to introduce a second experimental Ebola vaccine to the neighboring Democratic Republic of Congo, where the virus has claimed more
Half of isolated Ebola cases have gone undetected since the disease was first discovered in 1976, according to an analysis of outbreaks by scientists published
A study published today (June 3) in Nature Medicine confirms previous reports that a variant of the gene CCR5 that protects against infection by HIV
Zika virus (ZIKV) was discovered in Africa in 1947. Its impact on public health seemed restricted to sporadic local outbreaks associated with an illness characterized
Plasmodium falciparum resistance to artemisinin-based combination therapies (ACTs) started to crop up around 2007. Infections, especially in the Greater Mekong area of Southeast Asia, seemingly
The mosquito-borne Zika virus that recently spread rapidly throughout the Americas shares many characteristics with another virus: dengue. Both are flaviviruses, which are enveloped, sphere-shape
Eight people have died so far this year in a measles outbreak in Ukraine, and 3,100 were infected last week alone, the Associated Press reports.
While the US faces measles outbreaks from New York to Washington state, reigniting discussions about the risk of parents who refuse to vaccinate their children,
Researchers have discovered of a new genus of filovirus carried by fruit bats in China. The genome of the so-called Menglà virus shares sequences with
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