3 ms·

Now you're getting it.

• mrtesthah 4y ago
  No, I’m not. The semantic difference you insist upon is pointless. The mechanism of a flu or covid shot is exactly the same as any other vaccine; the only difference is the degree of efficacy due to human mucosal immunity not having evolved to fully block infection from respiratory viruses. https://journals.plos.org/plospathogens/article?id=10.1371/journal.ppat.1009509 https://journals.plos.org/plospathogens/article?id=10.1371/j...