Fact; vaccines are not 100% safe. Neither is electricity or food or water.
Fact; vaccines can be botched, such as the dengvaxia mess in the Philippines.
Fact; nonetheless vaccines are one of the greatest healthcare inventions in human history and have…
what should be noted is
- there are several flu virus versions around. The vaccines may or may not cover all virus versions. Therefore you may still get the flu Even after vaccination.
- flu virus versions evolves and changes from year to year. That is why…