AN infectious diseases expert said that with the kind of vaccines available, herd immunity against Covid-19 will never be achieved.
Dr. Edsel Salvaña, a member of the Department of Health-Technical Advisory Group, said that while the vaccines can prevent severe cases and death, their efficacy rate for preventing infection is only 30 to 40 percent, from the 90 percent before the virus was first detected and when there were no variants yet.
Already have an active account? Log in here.
Continue reading with one of these options:
Continue reading with one of these options:
Premium + Digital Edition
Ad-free access
P 80 per month
(billed annually at P 960)
- Unlimited ad-free access to website articles
- Limited offer: Subscribe today and get digital edition access for free (accessible with up to 3 devices)
TRY FREE FOR 14 DAYS
See details
See details
If you have an active account, log in
here
.