With reference to Foot-and-Mouth Disease (FMD), consider the following statements:
1. FMD is a highly contagious viral disease affecting cloven-hoofed ruminants, but it does not pose a threat to human health or food safety.
2. There are seven known strains of the virus causing FMD, and immunity to one strain does not protect against others.
3. The disease primarily spreads through direct contact between animals and does not involve aerosol transmission.
Which of the statements given above is/are correct?
1
1 and 2 only
2
2 and 3 only
3
1 only
4
1, 2, and 3