COVID-19 Vaccines

A vaccine that prevents COVID-19 would teach our immune system to recognize the SARS-CoV-2 virus. Then, whenever we are exposed to the virus, our immune system would be ready to leap into action, fight off the virus, and keep us healthy. Why do we need COVID-19 vaccines? To date, more than 20 million COVID-19 cases […]

How have Covid-19 vaccines been made quickly and safely?

Unprecedented international cooperation and focus have led to multiple effective and safe Covid-19 vaccines in less than a year, and created a blueprint for future vaccine development. Here’s how. The Covid-19 pandemic threatens every one of us, wherever we are, which has demanded a new global approach to vaccine development. There has been unprecedented international attention, […]

How are vaccines tested to ensure they are safe and effective?

Vaccine candidates are tested many times in progressively larger clinical trials to ensure they are safe and effective. The first clinical studies in humans are phase 1 clinical trials which primarily assess the initial safety of the vaccine and identify the correct dose. Phase I clinical trials typically enroll tens or hundreds of healthy adults. Vaccine candidates that […]

Why do antibodies fade after a COVID-19 infection, and will the same thing happen with vaccines?

Maintaining antibodies in the blood requires creating certain long-lasting immune cells – but this doesn’t always happen. by Steven Smith The goal of the COVID-19 vaccines being rolled out worldwide is to stimulate our immune systems into creating a protective response against the coronavirus, particularly by generating antibodies. These antibodies then circulate in our blood until needed […]

African countries have an advantage in rolling out Covid-19 vaccines

Concerns have been raised that African countries may struggle to effectively deploy Covid-19 vaccines at the unprecedented scale needed to counter the coronavirus pandemic. Yet Africa is one of the most experienced regions in the world in dealing with disease outbreaks. It has successfully carried out several, sudden large-scale vaccine introductions and vaccinations in crowded […]

The ACT-ACCELERATOR FREQUENTLY ASKED QUESTIONS

What is the ACT-Accelerator? The Access to COVID-19 Tools (ACT) Accelerator is the world’s most comprehensive end-to-end solution to ending the acute phase of the devastating COVID-19 pandemic. It brings together governments, health organizations, scientists, businesses, civil society, and philanthropists to accelerate the development, production, and equitable access to COVID-19 tests, treatments, and vaccines. The ACT Accelerator […]

Covid: WHO scheme Covax delivers first vaccines

Ghana has become the first country to receive coronavirus vaccines through the Covax vaccine-sharing initiative. The World Health Organization (WHO) programme aims to ensure that vaccines are shared fairly among all nations. Covax is aiming to deliver about two billion doses of Covid-19 vaccines globally by the end of the year. Many rich nations, who […]