Immunology

COVID-19

Approval strategy

Amid uncertainty, São Paulo announces state vaccination plan

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COVID-19

Butantan develops serum for the novel coronavirus

The Butantan Institute has completed development of a serum to combat SARS-CoV-2

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COVID-19

Unequal access

Even before efficacy data for the vaccine candidates was released, it was clear that there will not be enough supply to immunize the entire global population before the end of next year

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COVID-19

Australia gives up on vaccine candidate

A vaccine being developed by the University of Queensland and biotechnology company CSL, both from Australia, is the first of more than 200 candidates to be discarded

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COVID-19

Vaccines and sharks

A compound extracted from the livers of sharks is used in five coronavirus vaccine candidates

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Cover

Vaccines edge closer

Less than a year after first cases of COVID-19 were confirmed, vaccine candidates in the final stages of development offer promising results

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COVID-19

Nasal spray prevents infection in ferrets

A nasal spray tested on ferrets prevented absorption of SARS-CoV-2 and for a period of 24 hours, prevented them from becoming infected with the novel coronavirus when exposed to animals known to be affected by the pathogen

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COVID-19

Preexisting antibodies against SARS-CoV-2

Antibodies against other varieties of coronavirus are in some cases capable of recognizing SARS-CoV-2 and providing some degree of protection to those who have not yet contracted the COVID-19 pathogen

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COVID-19

Stuttering progress

Advanced testing of COVID-19 vaccines continues at an accelerated pace, despite occasional interruptions caused by safety concerns

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COVID-19

The fatality conundrum

Difficulties identifying the exact number of people infected and killed make it hard to calculate how deadly the disease is

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COVID-19

Science under pressure

Political interference in the approval process may undermine public confidence in vaccine development, researchers warn

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COVID-19

Study determines Chinese vaccine is safe

CoronaVac is safe and has no serious side effects

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Video

Why the Covid-19 vaccine is important

Never before so many vaccines have been developed at the same time against a single disease, nor so rapidly | 7'32

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Cover

The uncertainty of herd immunity

With a lack of scientific consensus on the subject, experts warn that protection measures against COVID-19 must be maintained

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Cover

The puzzle of immunity

Crucial questions about the response of the immune system to the novel coronavirus remain unanswered

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COVID-19

Vaccine tests advance

One of the best-known COVID-19 vaccine candidates achieved good results in the first phase of clinical trials

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INTERVIEW

Cristiana Toscano: An unprecedented global effort

According to the only Brazilian member of a WHO vaccine committee, we are experiencing unprecedented worldwide collaboration to develop a vaccine in record time

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COVER

Saving time

Brazilian research centers negotiate deals to import vaccine production technology

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Covid-19

Looking for shortcuts

International teams use eight different techniques to create 150 COVID-19 vaccine candidates in six months

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Cover

Predicting the course of epidemics

Mathematical modeling of infectious disease, a science perfected over the last 250 years, is helping guide the COVID-19 response through uncertainties

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Cover

The reality of data

Mapping and systematizing COVID-19 data is crucial to controlling the disease in Brazil

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Data

At least 125 COVID-19 vaccines are in development, with 10 already undergoing clinical trials

Vaccines in the clinical trials phase worldwide and in development in Brazil (as of May 27, 2020)

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Interview

Michel Nussenzweig: Antibody hunter

Brazilian-born immunologist searches the plasma of patients who have survived COVID-19 for proteins capable of fighting the novel coronavirus

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Cover

Progress toward dengue vaccine

A formulation developed by the Butantan Institute has shown protective effects in the second phase of testing

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Cover

The antivirus arsenal

The search for an effective treatment for COVID-19 includes testing drugs already used against other diseases and even plasma

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Cover

Science fights back

In just four months, 8,000 scientific articles have been published on Covid-19, more than 70 drugs tested against SARS-CoV-2, and the first vaccines trialed on humans

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Pharmacology

Monkeys are the best animal model

Monkeys appear to be the best animals for testing SARS-CoV-2 vaccines and drugs

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Data

Scientific research on coronavirus

The coronaviridae virus family encompasses approximately 40 known species

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Public health

Novel coronavirus in Brazil

The new coronavirus that emerged in China has arrived in the country, where four other less dangerous types already circulate

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Video

Techniques in the search for a vaccine against Covid-19

Teams from several countries head projects seeking to produce imunizing agents in a short time

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