Which among the following is an autoimmune disease?
$Rheumatoid$ $arthritis$
$AIDS$
$Hepatitis-B$
$Swine flue$
In the given flow diagram, the replication of retrovirus in a host is shown. Observe and answer the following questions.
$(a)$ Fill in $(A)$ and $(B)$
$(b)$ Why is the virus called retrovirus ?
$(c)$ Can the infected cell survive while viruses are being replicated and released ?
Magic bullets are the
‘Amoebiasis’ (Amoebic dysentery) is caused by
Chagas disease is caused by
Which of the following pairs are not viral diseases?