The Delta variant is becoming the dominant strain of COVID-19

The video discusses the dangers of coronavirus variants, focusing on their high transmissibility, severity, and ability to evade vaccines. It highlights mutations in spike proteins that affect virus transmissibility and replication. The Delta variant is noted to be more transmissible than the Alpha variant, with vaccines like Pfizer and AstraZeneca showing high efficacy against hospitalization. However, the Delta variant may cause different symptoms, such as headaches and runny noses, which could lead to underdiagnosis.

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