Ebola vaccine study results printed: 100% protection in Ebola challenged rhesus macaques

Yesterday, GeoVax Labs, Corporation. announced the publication of their manuscript titled “A Single-Dose of Modified Vaccinia Ankara Expressing Ebola Virus Like Particles Protects Nonhuman Primates from Lethal Ebola Virus Challenge” in the peer-reviewed open access journal Scientific Reports naturally Research, which shows that just one intramuscular (IM) dose of GeoVax’s Ebola vaccine (GEO-EM01) provided 100% protection in rhesus macaques challenged having a lethal dose of Ebola virus (EBOV).

Produced by the National Institute of Allergy and Infectious Diseases (NIAID), under a very-high magnification, this digitally-colorized scanning electron micrograph (SEM) depicts a single filamentous Ebola virus particle that had budded from the surface of a VERO cell of the African green monkey kidney epithelial cell line.Created through the National Institute of Allergy and Infectious Illnesses (NIAID), within very-high magnification, this digitally-colorized checking electron micrograph (SEM) depicts just one filamentous Ebola virus particle which had budded in the the surface of a VERO cell from the African eco-friendly monkey kidney epithelial cell line.

GEO-EM01 is dependant on their novel Modified Vaccinia Ankara (MVA) Virus-Like Particle (VLP) platform, which generates noninfectious VLPs within the individual being vaccinated. VLPs mimic an all natural infection, triggering your body to make a robust and sturdy immune response with antibodies and T cells.

This is actually the first are convinced that a replication-deficient MVA vector can confer full protection against a lethal EBOV challenge following a single-dose vaccination in macaques.

Within this study, GEO-EM01 was administered as whether single IM inoculation (prime) or as two IM inoculations in a four-week interval (prime-boost) to categories of four rhesus macaques each. A control group received the MVA vector without Ebola virus protein inserts. Four days after inoculation, creatures in most three groups were uncovered to some lethal dose of Ebola virus. Three from the four unvaccinated creatures died within 12 days, while all the vaccinated creatures survived. Researchers at Rocky Mountain Laboratories, area of the National Institute of Allergy and Infectious Illnesses (NIAID), collaborated within the study.

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GEO-EM01 is a element of a tetravalent hemorrhagic fever virus vaccine being produced by GeoVax. Another vaccine components are suitable for protection against Sudan virus (SUDV), Marburg virus (MARV), and Lassa virus (LASV). These vaccines are envisioned as either individual monovalent vaccines in epidemic situations or combined like a tetravalent vaccine for that protection from the countless individuals who reside in at-risk areas, travelers, military personnel, healthcare workers, yet others.

Farshad Guirakhoo, PhD, GeoVax’s Chief Scientific Officer, commented, “GEO-EM01 uses GeoVax’s proven MVA-VLP vaccine platform that’s been proven safe and also to induce durable antibody and T-cell responses in multiple human numerous studies for GeoVax’s prophylactic Aids vaccine. Utilizing the same platform, we’ve proven our Zika vaccine (GEO-ZM02) and our Lassa Fever vaccine (GEO-LM01) to supply single-dose 100% protection in rodents against intracranial challenge. This research is exclusive since the immune response caused following a single dose from the vaccine not just provided full protection against a lethal challenge, but additionally eliminated nature type Ebola challenge virus in the animal’s bloodstream. No live virus might be retrieved anytime point from the vaccinated creatures when compared to controls, which in fact had greater than 100,000 live Ebola infections per ml of bloodstream.”


1976 Ebola outbreak survivors might be able to prevent future infections: Study

Survivors from the first known Ebola outbreak, which happened within the Democratic Republic from the Congo in 1976, might be answer to growth and development of vaccines and therapeutic drugs to deal with future outbreaks, according to a different study brought by researchers in the UCLA Fielding School of Public Health.

Image/Nicole HoffImage/Nicole Hoff

UCLA researchers located the 14 Ebola survivors from the 1976 outbreak who, in The month of january 2016, remained as residing in exactly the same small, remote villages within the forests from the Équateur Province of northwestern Democratic Republic from the Congo. They acquired bloodstream samples and health history reports from their store. The information revealed evidence these survivors’ natural defenses will probably provide some protection against future infection.

The research, which is printed online December 14 in the Journal of Infectious Illnesses, marks the very first time the results of herpes happen to be studied 40 years after infection and also the first findings that indicate Ebola survivors might be able to prevent future infections.

The Ebola virus is frequently connected rich in mortality rates in humans, varying from 25 % to 90 %, and outbreaks have happened with elevated frequency because the first reported event within the Democratic Republic from the Congo in 1976 by which 318 cases were recorded, having a fatality rate of 88 percent. The Ebola virus disease is extremely contagious and spreads through direct or indirect connection with body fluids. It initially causes fever, headache and muscle aches and may progress to vomiting, diarrhea, and often internal and exterior bleeding. The 2014-2016 outbreak of Ebola in Western Africa was unparalleled in dimensions and scope — there have been an believed 28,000 cases and most 10,000 survivors.

“Unimaginable dying tolls and devastation to families and communities have happened because of Ebola,” stated lead author Anne Rimoin, affiliate professor of epidemiology in the UCLA Fielding School of Public Health. “With the amount and frequency of Ebola outbreaks growing with time, the necessity to find effective measures to combat and stop outbreaks is crucial.”

Rimoin stated researchers know there are other than 10,000 survivors from the West Africa epidemic, however they have no idea what lengthy-term health effects individuals survivors may endure later on. Their goal, she stated, ended up being to locate survivors from the initial 1976 outbreak to understand what goes on 4 decades after infection.

LISTEN: Outbreaks and also the role of health promotion

Since no online records from the 1976 outbreak analysis existed, the UCLA team collaborated with and acquired use of handwritten notes from three scientists who investigated that outbreak — Dr. Peter Piot and Dr. David Heymann from the London School of Hygiene and Tropical Medicine, and Professor Jean Jacques Muyembe from the Institut National de Recherche Biomedical in Kinshasa.

The UCLA researchers traveled to small, remote villages within the forests from the Équateur Province to discover and satisfy the survivors, and get access to data. They used a mobile laboratory which was placed in a dirt hut to work.


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Outbreaks and also the role of health promotion

What’s health promotion and what’s its role and importance in disease outbreaks?

Author from the new book, Health Promotion in Disease Outbreaks and Health Emergencies, Glenn Laverack, PhD became a member of me on the program to reply to these questions and much more.

He discussed the function of community participation, communications and social networking inside a health emergency. Additionally, Dr. Laverack discussed in certain detail health promotion in specific outbreaks such as the West Africa Ebola outbreak, avian influenza and also the Zika virus outbreak.

Topics for example rumors and the significance of publish outbreak response were also examined.


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Intro music: “Rapture” by Ross Bugden

Boston University’s NEIDL will get final stamp of approval

I had been first uncovered to Boston University’s National Emerging Infectious Illnesses Laboratories (NEIDL) facility in a one-hour documentary entitled  “Threading the NEIDL” , located by Columbia College Professor of Microbiology & Immunology, Vincent Racaniello, Ph.D, in the past (see below).


Now after more than the usual decade of regulatory hurdles, the final approval was finally achieved–approval from the Boston Public Health Commission, adding the NEIDL to some select few of Biosafety Level 4 labs in america, joining the Cdc and Prevention (CDC) in Atlanta, the united states Army Scientific Research Institute of Infectious Illnesses (USAMRIID) in Fort Detrick and a number of others with the ability to use probably the most harmful pathogens.

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BSL-4 pathogens are very harmful, exotic agents, which pose a bad risk of existence-threatening disease, might be aerosol-transmitted lab infections or related agents by having an unknown chance of transmission.

Infections allotted to Biosafety Level 4 include Crimean-Congo hemorrhagic fever, Ebola, Junin, Lassa fever, Machupo, Marburg, yet others.

As reported inside a BU Today report:

“We’re extraordinarily pleased,” says NEIDL Director Ronald B. Corley, a Med school professor of microbiology. The BSL-4 lab, on BU’s Medical Campus within the South Finish, was built based on the most stringent safety specifications set by the federal government for infectious disease research.


“As we view in the last many years, many of us are susceptible to potentially devastating infectious illnesses that could have originated midway around the world,” says Gloria Waters, BU v . p . and affiliate provost for research. “With the outlet from the NEIDL’s BSL-4 lab, BU is poised to determine itself like a national leader in eliminating microbial systems and infectious illnesses. The job that’ll be transported here brings benefit and relief by means of vaccines, treatments, and cures to individuals in Boston, the U . s . States, and round the world.”

Threading the NEIDL – In the BSL-4 from ASM on Vimeo.