Read the text and complete the sentences with the right prepositions. Smallpox is a highly contagious disease caused by two forms of the variola virus. It has now been completely eradicated worldwide, but until the introduction of the vaccine, its effects were devastating. One of the main symptoms people complained was being covered red spots. Despite the fact that people were treated this disease, in the 18th century, nearly half a million people in Europe alone died from the disease each year. Those who were lucky enough to survive smallpox had pockmarked faces. One-third of the survivors went blind. Those who survived smallpox also gained immunity. That is why former smallpox victims were called upon to nurse the sick. Healers across Asia (especially China), Africa, and Europe had long tried to replicate this natural immunity through vaccination. With luck, people who had been vaccinated would fall moderately ill for a few days, then recover the disease with full immunity. It was a high-risk strategy, as a significant number of those vaccinated died.

Задание

Read the text and complete the sentences with the right prepositions.

Choose the correct option.

Smallpox is a highly contagious disease caused by two forms of the variola virus. It has now been completely eradicated worldwide, but until the introduction of the vaccine, its effects were devastating. One of the main symptoms people complained [of|in|for|from|to] was being covered [of|in|for|from|to] red spots.

Despite the fact that people were treated [of|in|for|from|to] this disease, in the 18th century, nearly half a million people in Europe alone died from the disease each year. Those who were lucky enough to survive smallpox had pockmarked faces. One-third of the survivors went blind.

Those who survived smallpox also gained immunity. That is why former smallpox victims were called upon to nurse the sick. Healers across Asia (especially China), Africa, and Europe had long tried to replicate this natural immunity through vaccination. With luck, people who had been vaccinated would fall moderately ill for a few days, then recover [of|in|for|from|to] the disease with full immunity. It was a high-risk strategy, as a significant number of those vaccinated died.

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