Take a German exam at the Goethe-Institut at levels A1 to C2 and ... skills at level A2. Book your exam appointment here and prepare for the exam with the free A2 exam training. The exam confirms ...
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HMPV a major cause of respiratory distress among kids, new strains A2.2.1 and A2.2.2 shows virus is evolving: StudyHMPV is a respiratory virus classified into two main genetic groups: A and B, each with subgroups A1, A2, B1, and B2. These strains exhibit genetic diversity but share similarities in causing ...
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