Maxim Kazarnovsky: How does the immune response to infection occur? What is a cytokine storm? How do our cells learn to distinguish between "us" and "them"? Why is there lifelong immunity for some infections, and only temporary immunity for others? Is it necessary to "strengthen the immune system" and is it really possible to do this?
Pollen contains proteins that a person reacts to with the production of immunoglobulin E, which can lead to an allergic reaction . The release of pollen coincides with the time of the greatest turbulence of the atmosphere . In Latvia, pollen allergy may appear as early as February .
Despite China having achieved a vaccination rate of 80% for its population, and therefore theoretically having achieved herd immunity, the government is still enforcing a zero-COVID policy. This has led to speculation that China's vaccine's efficacy may be one of the reasons for the policy, as the lack of transparency in clinical testing data has resulted in many countries refusing to import Chinese vaccines. While Hungary, a country closely linked to China, is one of the few nations to use Chinese vaccines, the government's lack of transparency in its vaccine procurement policies has drawn criticism from opposition parties. China's vaccine efficacy and its overall reliability remains a topic of global interest.