Covid-19 will become seasonal and vaccination should be annual for vulnerable people, while mRNA vaccine produces more complications than earlier vaccines, according to a prominent virologist.
Yong Poovorawan, head of the Centre of Excellence in Clinical Virology at Chulalongkorn University, wrote on his Facebook page on Monday that Covid-19 would finally become seasonal.
He estimated that more than 70%, or about 5 billion, of the world’s population were infected with Covid-19. The official tally of cases worldwide was about one-tenth the actual number of infections, Dr Yong said.
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