What is a key component of the mass vaccination program for poliomyelitis?

The key component of the mass vaccination program for poliomyelitis involves administering the oral polio vaccine (OPV) to ensure widespread immunity in the population, particularly among children. This approach is effective because it allows for easier distribution and administration compared to injections, and it bypasses the need for sterile techniques typically required with hypodermic injections.

When focusing on the oral vaccination, it's important to note that it not only immunizes the individual but also helps prevent the spread of the virus in communities, playing a critical role in controlling and eradicating polio. This method effectively stimulates immunity in the gut, where the poliovirus primarily infects, thereby offering community-wide protection.

While regular health check-ups and daily supplements for immune support are beneficial for overall health, they do not directly contribute to the eradication of poliomyelitis. Furthermore, the approach of solely using hypodermic injections for all children under 10 does not align with the mass vaccination strategy, which emphasizes accessibility and ease of administration through oral vaccines.