Vaccination and natural infection both boost herd immunity against Covid, but people who remain uninfected yet are more at risk, thus inoculating them is of utmost importance, according to an AIIMS professor.New variants of Covid-19 have been .
The Omicron variant, being highly transmissible, has the potential to evade vaccine immunity. Data from various countries like South Africa and the UK has shown that it causes only mild illness. But as Omicron can surge infection cases, it can overwhelm an already burdened medical system.
Existing vaccines are not as effective against Omicron as they were against the original virus, and thus boosters may help enhance immunity, health experts said here.The Omicron variant, being highly transmissible, has the potential to evade .
Existing vaccines are not as effective against Omicron as they were against the original virus, and thus boosters may help enhance immunity, health experts said here.
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