MCQ
Which one from those given below is the period.
- ✓$1856 - 1863.$
- B$1840 - 1850.$
- C$1857 - 1869.$
- D$1870 - 1877.$
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$1.$ Viral $RNA$ replicates to form viral $DNA$ with the help of reverse transcriptase.
$2.$ The progeny viruses released in the blood attack other $T_H$ and destroy
$3.$ Viral $DNA$ gets incorporated into host cell's $DNA$ and produces virus particles
$4.$ Virus enters to macrophages