What are the reasons for differences between countries? To be able to answer, one must take into account what is needed to produce, manufacture, package, store and distribute a vaccine.
The appearance of new variants poses a scenario similar to that of the flu, in which every year it would be necessary to modify and carry out vaccination campaigns to protect the population. What do we know about this possibility?
Vaccination may alleviate the most serious effects seen in previous waves, but it will not be enough if there is no cooperation from society as a whole.
The Spanish scientist Luis Enjuanes lives against the clock. At 76, he leads a team of 16 people whose goal is to finish what could be one of the best vaccines against SARS-CoV-2.
Danni Büchner is invited to Sam Dylan's Halloween party. But the "Goodbye Germany" emigrant has no desire for many other party guests. And find clear words.