How the mRNA vaccine against Covid works
25 December 2021 | 2:25 pm
Instead, mRNA vaccines use mRNA created in a laboratory to teach our cells how to make a protein—or even just a piece of a protein—that triggers an immune response inside our bodies. That immune response, which produces antibodies, is what protects us from getting infected if the real virus enters our bodies.
At a World Health Organization press briefing on the Covid-19 pandemic, United Nations Secretary-General, Antonio Guterres, argues that maintaining unequal access to vaccines between rich and poor countries is not only "immoral" but also "stupid" because it risks allowing the rise of variants resistant to current vaccines.
India is the second country to reach the milestone figure, after China did so in June. However, officials are worried over a gap between first and second doses.
India celebrated the milestone of administering 1 billion COVID-19 vaccine doses on Thursday, with the government promoting the achievement with song.
On average, 40% of health professionals in the world are fully vaccinated against Covid-19 but this figure hides huge disparities between regions, regrets Tedros Adhanom Ghebreyesus, director general of the WHO.
BioNTech and Pfizer and said their vaccine is highly effective among children in the 5-11-year age group. Follow DW for the latest.
After testing on more than 800,000 children in Malawi, Ghana and Kenya, the WHO has recommended the use of a vaccine against malaria, a disease that kills nearly 400,000 people every year, mostly children under five. The jab is effective against one of the parasites that transmits the disease and reduces the risk of severe cases by 30 percent, which is enough to save tens of thousands of lives. Associated with other methods, it could drastically reduce the number of sick people each year. Could it even contain the epidemic? Our correspondents report.
The African Union has secured more than 100 million vaccine doses with partial help from the United States. Meanwhile, China will begin vaccinating children as young as 3 years old. Follow DW for more.
A new lockdown has come into effect in and around Moscow. Only a third of the Russian population is fully vaccinated. Experts blame a widespread distrust of the authorities. Why do so many Russians remain skeptical?
As Africa struggles to stem vaccine inequity, biotechnology giants BioNTech and Moderna have announced plans to build factories on the continent.
German Health Minister Jens Spahn has urged states to reopen vaccination centers as pressure grows to administer booster shots. Meanwhile, the world has passed five milion COVID deaths. DW has the latest.
Tens of millions of working Americans will need to be vaccinated or tested weekly for COVID-19 by early January under new government rules. Companies that fail to comply could be fined thousands of dollars.
An expert panel has just given the green light to vaccinate children aged 5 to 11 in Israel — the first country to offer booster shots. It has also tightened its green pass system to keep the economy and schools open.
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