COVID vaccine #boosters are proving a useful tool against Omicron, but many believe that endless boosting might not be a practical or sustainable strategy. 1/
Because protection from boosters might be short-lived, rolling out endless doses — potentially at the expense of immunizing unvaccinated people in low-income nations — is not a “viable or reasonable” long-term global strategy. 2/
Then, what are options?
1-Continue to go for repeated boosting at regular intervals
2-Develop new vaccines. What are the options:
a. Variant-specific vaccines
b. Pan-coronavirus vaccine (pansarbecovirus vaccine, at least) 3/
1-Continue to go for repeated boosting at regular intervals
2-Develop new vaccines. What are the options:
a. Variant-specific vaccines
b. Pan-coronavirus vaccine (pansarbecovirus vaccine, at least) 3/
3-Adopt a different vaccination strategy: Prime with a systemic vaccine & boost with a mucosal (intranasal)vaccine
Most agree that we need new vaccines that offer wider protection against future variants. 4/
Most agree that we need new vaccines that offer wider protection against future variants. 4/
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