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Pfizer Studies Israel’s Coronavirus Vaccination Campaign


FILE - A elderly woman receives a booster shot of her vaccination against the coronavirus disease (COVID-19) at an assisted living facility, in Netanya, Israel January 19, 2021. (REUTERS/Ronen Zvulun/File Photo)
Pfizer Studies Israel’s Coronavirus Vaccination Campaign
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Israel’s fast vaccination effort is providing important information about drug company Pfizer’s COVID-19 vaccine.

Reporters with the Reuters news agency spoke to leading scientists in Israel and other places, Israeli health officials, hospital heads and two of the country’s largest healthcare providers. The aim was to find the latest information about the country’s especially fast vaccination campaign.

About 3.5 million Israelis have been fully or partly vaccinated. That is more than half of people who are in groups that are supposed to be vaccinated first. These groups are showing a sharp drop in infections.

Chart showing significant decrease in infections and hospitalizations among people 60 years or older
Chart showing significant decrease in infections and hospitalizations among people 60 years or older


Eran Segal is a data scientist at the Weizmann Institute of Science in Rehovot, Israel. He said there was a 53 percent reduction in new cases in the first fully vaccinated group. In addition, there were 39 percent fewer hospitalizations and a 31 percent drop in severe illnesses from the middle of January until February 6, Segal said.

More information will be known in two weeks, as teams study the vaccine’s effectiveness in younger groups of Israelis and people with certain conditions.

“We need to have enough variety of people in that subgroup and enough follow-up time so you can make the right conclusions, and we are getting to that point,” said Ran Balicer. He is an official with the Israeli health services provider Clalit.

Pfizer is watching the Israeli effort each week to understand more about the vaccine and how it is working.

Israel’s campaign provides Pfizer and its partner, Germany’s BioNTech, with an unusual chance. The small country has healthcare for all its citizens, and the ability to gather and study data. Israel also has quickly provided the vaccine to its citizens.

Israel still faces struggles in its effort to fight the virus. The country’s third national lockdown has not slowed the spread of COVID-19. A fast-spreading variant of the virus that was first found in Britain is now spreading in Israel. So far, the Pfizer/BioNTech shot appears to be effective against it.

“We’ve so far identified the same 90 percent to 95 percent efficacy against the British strain,” said Hezi Levi. He is a director-general of the Israeli Health Ministry.

The Pfizer vaccine requires two doses, or shots, to be effective. For this reason, Levi said it is too early to know about levels of protection because many people only received the second dose in the last week. He added that it is still too early to know whether the vaccine is effective against another fast-spreading virus variant that began in South Africa.

Technicians work at Healthcare Maintenance Organization (HMO) Maccabi's coronavirus disease (COVID-19) public laboratory, performing diverse and numerous tests, in Rehovot, Israel February 9, 2021. (REUTERS/Ammar Awad)
Technicians work at Healthcare Maintenance Organization (HMO) Maccabi's coronavirus disease (COVID-19) public laboratory, performing diverse and numerous tests, in Rehovot, Israel February 9, 2021. (REUTERS/Ammar Awad)


Good results so far

Israel began its vaccination program on December 19. It paid a high price for supplies of the Pfizer/BioNTech vaccine.

Four days later, the fast-spreading British variant was found in four people in Israel.

After that, Israel decided to begin giving shots to people over the age of 60. Over time, it has opened the program to the rest of the population.

Information gathered by Israeli healthcare provider Maccabi shows that only six out of every 10,000 people got infected with COVID-19 one week after receiving their second Pfizer dose. By 22 days after full vaccination, no infections were recorded.

Pfizer says its vaccine’s effectiveness starts one week after the second dose is given.

One important question is whether vaccines can end the pandemic. Michal Linial is a professor of molecular biology and bioinformatics at Jerusalem’s Hebrew University. She said data from the past suggests that viruses become endemic and seasonal.

She predicted the coronavirus would become far less aggressive, possibly requiring an additional shot within three years.

She added, “The virus is not going anywhere.”

I’m Mario Ritter Jr.

Maayan Lubell and Ari Rabinovitch reported this story for Reuters. Mario Ritter Jr. adapted it for VOA Learning English. Ashley Thompson was the editor.

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Words in This Story

variety –n. a number or collection of different things or people

conclusion –n. a final opinion or judgement

strain –n. a group of closely related living things

dose –n. the amount of medicine or vaccine needed to cure or help a condition

contagious –adj. able to be passed from one person or animal to another

endemic –n. common to a place

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